With the following change, Python no longer compiles. I'm sure that it compiled successfully 2 weeks ago.
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 4cf2b0726e..0ad2609882 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -16,10 +16,10 @@ class int "PyObject *" "&PyLong_Type"
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=ec0275e3422a36e3]*/
#ifndef NSMALLPOSINTS
-#define NSMALLPOSINTS 257
+#define NSMALLPOSINTS 0
#endif
#ifndef NSMALLNEGINTS
-#define NSMALLNEGINTS 5
+#define NSMALLNEGINTS 0
#endif
_Py_IDENTIFIER(little);
Main GCC error:
Objects/longobject.c: In function '_PyLong_Copy':
./Include/pymacro.h:119:26: error: expected expression before 'do'
119 | #define Py_UNREACHABLE() do { \
| ^~
Objects/longobject.c:83:30: note: in expansion of macro 'Py_UNREACHABLE'
83 | #define get_small_int(ival) (Py_UNREACHABLE(), NULL)
| ^~~~~~~~~~~~~~
It seems to be a regression introduced by:
commit 6b519985d23bd0f0bd072b5d5d5f2c60a81a19f2
Author: animalize <animalize@users.noreply.github.com>
Date: Fri Sep 6 14:00:56 2019 +0800
replace inline function `is_small_int` with a macro version (GH-15710)