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gh-108277: Fix test_os TimerfdTests#110515

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vstinner merged 1 commit into
python:mainfrom
vstinner:test_timerfd
Oct 8, 2023
Merged

gh-108277: Fix test_os TimerfdTests#110515
vstinner merged 1 commit into
python:mainfrom
vstinner:test_timerfd

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@vstinner vstinner commented Oct 8, 2023 •
edited by bedevere-app Bot
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  • test_timerfd_TFD_TIMER_ABSTIME() and test_timerfd_ns_TFD_TIMER_ABSTIME() tolerate a difference of 50 us.
  • test_timerfd_negative() checks if os.TFD_TIMER_CANCEL_ON_SET is defined.

@bedevere-app bedevere-app Bot added tests Tests in the Lib/test dir awaiting review labels Oct 8, 2023
@vstinner vstinner enabled auto-merge (squash) October 8, 2023 01:07
@bedevere-app bedevere-app Bot mentioned this pull request Oct 8, 2023
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@vstinner vstinner mentioned this pull request Oct 8, 2023
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pythongh-108277: Fix test_os TimerfdTests …
5f17c7c 
* test_timerfd_TFD_TIMER_ABSTIME() and
  test_timerfd_ns_TFD_TIMER_ABSTIME() tolerate a difference of 50 us.
* test_timerfd_negative() checks if os.TFD_TIMER_CANCEL_ON_SET is
  defined.
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Wow, test_multiprocessing_main_handling failed TWICE on Windows x64 :-(

@vstinner vstinner merged commit 7e30821 into python:main Oct 8, 2023
@vstinner vstinner deleted the test_timerfd branch October 8, 2023 11:26
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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora LTO 3.x has failed when building commit 7e30821.

What do you need to do:

  1. Don't panic.
  2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
  3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/55/builds/3954) and take a look at the build logs.
  4. Check if the failure is related to this commit (7e30821) or if it is a false positive.
  5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/55/builds/3954

Failed tests:

  • test.test_multiprocessing_fork.test_processes

Summary of the results of the build (if available):

==

Click to see traceback logs 
remote: Enumerating objects: 5, done.        
remote: Counting objects:  20% (1/5)        
remote: Counting objects:  40% (2/5)        
remote: Counting objects:  60% (3/5)        
remote: Counting objects:  80% (4/5)        
remote: Counting objects: 100% (5/5)        
remote: Counting objects: 100% (5/5), done.        
remote: Compressing objects:  33% (1/3)        
remote: Compressing objects:  66% (2/3)        
remote: Compressing objects: 100% (3/3)        
remote: Compressing objects: 100% (3/3), done.        
remote: Total 5 (delta 2), reused 3 (delta 2), pack-reused 0        
From https://github.com/python/cpython
 * branch                  main       -> FETCH_HEAD
Note: switching to '7e30821b17b56bb5ed9799f62eb45e448cb52c8e'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:

  git switch -c <new-branch-name>

Or undo this operation with:

  git switch -

Turn off this advice by setting config variable advice.detachedHead to false

HEAD is now at 7e30821b17 gh-108277: Fix test_os TimerfdTests (#110515)
Switched to and reset branch 'main'

In function ‘_io_FileIO_close_impl’,
    inlined from ‘_io_FileIO_close’ at ./Modules/_io/clinic/fileio.c.h:33:12:
./Modules/_io/fileio.c:175:9: warning: ‘exc’ may be used uninitialized [-Wmaybe-uninitialized]
  175 |         _PyErr_ChainExceptions1(exc);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./Modules/_io/fileio.c: In function ‘_io_FileIO_close’:
./Modules/_io/fileio.c:160:15: note: ‘exc’ was declared here
  160 |     PyObject *exc;
      |               ^~~
In function ‘word_to_string’,
    inlined from ‘coeff_to_string’ at ./Modules/_decimal/libmpdec/io.c:410:13,
    inlined from ‘_mpd_to_string’ at ./Modules/_decimal/libmpdec/io.c:611:18:
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
In function ‘word_to_string’,
    inlined from ‘coeff_to_string’ at ./Modules/_decimal/libmpdec/io.c:410:13,
    inlined from ‘_mpd_to_string’ at ./Modules/_decimal/libmpdec/io.c:607:18:
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
In function ‘word_to_string’,
    inlined from ‘coeff_to_string’ at ./Modules/_decimal/libmpdec/io.c:410:13,
    inlined from ‘_mpd_to_string’ at ./Modules/_decimal/libmpdec/io.c:501:22:
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  348 |         if (s == dot) *s++ = '.'; *s++ = '0' + (char)(x / d); x %= d
      |                                   ~~~~~^~~~~~~~~~~~~~~~~~~~~
./Modules/_decimal/libmpdec/io.c:348:40: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
In function ‘word_to_string’,
    inlined from ‘coeff_to_string’ at ./Modules/_decimal/libmpdec/io.c:410:13,
    inlined from ‘_mpd_to_string’ at ./Modules/_decimal/libmpdec/io.c:607:18:
./Modules/_decimal/libmpdec/io.c:359:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  359 |     case 15: EXTRACT_DIGIT(s, x, 100000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:360:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  360 |     case 14: EXTRACT_DIGIT(s, x, 10000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:361:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  361 |     case 13: EXTRACT_DIGIT(s, x, 1000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:358:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  358 |     case 16: EXTRACT_DIGIT(s, x, 1000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:359:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  359 |     case 15: EXTRACT_DIGIT(s, x, 100000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:360:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  360 |     case 14: EXTRACT_DIGIT(s, x, 10000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:357:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  357 |     case 17: EXTRACT_DIGIT(s, x, 10000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:358:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  358 |     case 16: EXTRACT_DIGIT(s, x, 1000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:359:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  359 |     case 15: EXTRACT_DIGIT(s, x, 100000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:356:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  356 |     case 18: EXTRACT_DIGIT(s, x, 100000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:357:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  357 |     case 17: EXTRACT_DIGIT(s, x, 10000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:358:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  358 |     case 16: EXTRACT_DIGIT(s, x, 1000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:360:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  360 |     case 14: EXTRACT_DIGIT(s, x, 10000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:361:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  361 |     case 13: EXTRACT_DIGIT(s, x, 1000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:362:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  362 |     case 12: EXTRACT_DIGIT(s, x, 100000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:361:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  361 |     case 13: EXTRACT_DIGIT(s, x, 1000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:362:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  362 |     case 12: EXTRACT_DIGIT(s, x, 100000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:363:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  363 |     case 11: EXTRACT_DIGIT(s, x, 10000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:362:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  362 |     case 12: EXTRACT_DIGIT(s, x, 100000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:363:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  363 |     case 11: EXTRACT_DIGIT(s, x, 10000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:365:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  365 |     case 10: EXTRACT_DIGIT(s, x, 1000000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:363:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  363 |     case 11: EXTRACT_DIGIT(s, x, 10000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:365:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  365 |     case 10: EXTRACT_DIGIT(s, x, 1000000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:366:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  366 |     case 9:  EXTRACT_DIGIT(s, x, 100000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:365:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  365 |     case 10: EXTRACT_DIGIT(s, x, 1000000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:366:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  366 |     case 9:  EXTRACT_DIGIT(s, x, 100000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:367:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  367 |     case 8:  EXTRACT_DIGIT(s, x, 10000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:366:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  366 |     case 9:  EXTRACT_DIGIT(s, x, 100000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:367:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  367 |     case 8:  EXTRACT_DIGIT(s, x, 10000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:368:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  368 |     case 7:  EXTRACT_DIGIT(s, x, 1000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:367:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  367 |     case 8:  EXTRACT_DIGIT(s, x, 10000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:368:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  368 |     case 7:  EXTRACT_DIGIT(s, x, 1000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:369:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  369 |     case 6:  EXTRACT_DIGIT(s, x, 100000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:368:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  368 |     case 7:  EXTRACT_DIGIT(s, x, 1000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:369:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  369 |     case 6:  EXTRACT_DIGIT(s, x, 100000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:370:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  370 |     case 5:  EXTRACT_DIGIT(s, x, 10000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:369:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  369 |     case 6:  EXTRACT_DIGIT(s, x, 100000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:370:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  370 |     case 5:  EXTRACT_DIGIT(s, x, 10000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:371:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  371 |     case 4:  EXTRACT_DIGIT(s, x, 1000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:370:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  370 |     case 5:  EXTRACT_DIGIT(s, x, 10000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:371:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  371 |     case 4:  EXTRACT_DIGIT(s, x, 1000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:372:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  372 |     case 3:  EXTRACT_DIGIT(s, x, 100UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:371:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  371 |     case 4:  EXTRACT_DIGIT(s, x, 1000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:372:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  372 |     case 3:  EXTRACT_DIGIT(s, x, 100UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:373:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  373 |     case 2:  EXTRACT_DIGIT(s, x, 10UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:372:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  372 |     case 3:  EXTRACT_DIGIT(s, x, 100UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:373:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  373 |     case 2:  EXTRACT_DIGIT(s, x, 10UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:373:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
In function ‘word_to_string’,
    inlined from ‘coeff_to_string’ at ./Modules/_decimal/libmpdec/io.c:410:13,
    inlined from ‘_mpd_to_string’ at ./Modules/_decimal/libmpdec/io.c:501:22:
./Modules/_decimal/libmpdec/io.c:359:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  359 |     case 15: EXTRACT_DIGIT(s, x, 100000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:360:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  360 |     case 14: EXTRACT_DIGIT(s, x, 10000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:361:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  361 |     case 13: EXTRACT_DIGIT(s, x, 1000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:358:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  358 |     case 16: EXTRACT_DIGIT(s, x, 1000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:359:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  359 |     case 15: EXTRACT_DIGIT(s, x, 100000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:360:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  360 |     case 14: EXTRACT_DIGIT(s, x, 10000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:357:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  357 |     case 17: EXTRACT_DIGIT(s, x, 10000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:358:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  358 |     case 16: EXTRACT_DIGIT(s, x, 1000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:359:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  359 |     case 15: EXTRACT_DIGIT(s, x, 100000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:356:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  356 |     case 18: EXTRACT_DIGIT(s, x, 100000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:357:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  357 |     case 17: EXTRACT_DIGIT(s, x, 10000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:358:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  358 |     case 16: EXTRACT_DIGIT(s, x, 1000000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:360:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  360 |     case 14: EXTRACT_DIGIT(s, x, 10000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:361:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  361 |     case 13: EXTRACT_DIGIT(s, x, 1000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:362:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  362 |     case 12: EXTRACT_DIGIT(s, x, 100000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:361:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  361 |     case 13: EXTRACT_DIGIT(s, x, 1000000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:362:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  362 |     case 12: EXTRACT_DIGIT(s, x, 100000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:363:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  363 |     case 11: EXTRACT_DIGIT(s, x, 10000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:362:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  362 |     case 12: EXTRACT_DIGIT(s, x, 100000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:363:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  363 |     case 11: EXTRACT_DIGIT(s, x, 10000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:365:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  365 |     case 10: EXTRACT_DIGIT(s, x, 1000000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:363:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  363 |     case 11: EXTRACT_DIGIT(s, x, 10000000000ULL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:365:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  365 |     case 10: EXTRACT_DIGIT(s, x, 1000000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:366:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  366 |     case 9:  EXTRACT_DIGIT(s, x, 100000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:365:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  365 |     case 10: EXTRACT_DIGIT(s, x, 1000000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:366:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  366 |     case 9:  EXTRACT_DIGIT(s, x, 100000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:367:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  367 |     case 8:  EXTRACT_DIGIT(s, x, 10000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:366:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  366 |     case 9:  EXTRACT_DIGIT(s, x, 100000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:367:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  367 |     case 8:  EXTRACT_DIGIT(s, x, 10000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:368:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  368 |     case 7:  EXTRACT_DIGIT(s, x, 1000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:367:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  367 |     case 8:  EXTRACT_DIGIT(s, x, 10000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:368:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  368 |     case 7:  EXTRACT_DIGIT(s, x, 1000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:369:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  369 |     case 6:  EXTRACT_DIGIT(s, x, 100000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:368:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  368 |     case 7:  EXTRACT_DIGIT(s, x, 1000000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:369:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  369 |     case 6:  EXTRACT_DIGIT(s, x, 100000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:370:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  370 |     case 5:  EXTRACT_DIGIT(s, x, 10000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:369:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  369 |     case 6:  EXTRACT_DIGIT(s, x, 100000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:370:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  370 |     case 5:  EXTRACT_DIGIT(s, x, 10000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:371:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  371 |     case 4:  EXTRACT_DIGIT(s, x, 1000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:370:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  370 |     case 5:  EXTRACT_DIGIT(s, x, 10000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:371:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  371 |     case 4:  EXTRACT_DIGIT(s, x, 1000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:372:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  372 |     case 3:  EXTRACT_DIGIT(s, x, 100UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:371:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  371 |     case 4:  EXTRACT_DIGIT(s, x, 1000UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:372:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  372 |     case 3:  EXTRACT_DIGIT(s, x, 100UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:373:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  373 |     case 2:  EXTRACT_DIGIT(s, x, 10UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:372:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  372 |     case 3:  EXTRACT_DIGIT(s, x, 100UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:373:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  373 |     case 2:  EXTRACT_DIGIT(s, x, 10UL, dot);
      |              ^
./Modules/_decimal/libmpdec/io.c:373:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
In function ‘_bufferedreader_read_generic’,
    inlined from ‘_io__Buffered_read_impl’ at ./Modules/_io/bufferedio.c:969:0,
    inlined from ‘_io__Buffered_read’ at ./Modules/_io/clinic/bufferedio.c.h:525:0:
./Modules/_io/bufferedio.c:1792: warning: ‘__builtin_memcpy’ specified bound between 9223372036854775808 and 18446744073709551613 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
 1792 |             memcpy(out + written, self->buffer + self->pos, r);
      | 

make: *** [Makefile:2019: buildbottest] Error 5

Glyphack pushed a commit to Glyphack/cpython that referenced this pull request Sep 2, 2024
@vstinner @Glyphack
pythongh-108277: Fix test_os TimerfdTests (python#110515) …
01448b8 
* test_timerfd_TFD_TIMER_ABSTIME() and
  test_timerfd_ns_TFD_TIMER_ABSTIME() tolerate a difference of 50 us.
* test_timerfd_negative() checks if os.TFD_TIMER_CANCEL_ON_SET is
  defined.
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@vstinner @bedevere-bot