I compiled Python 3.6 in debug mode on Windows, and I'm trying to run test_regrtest to try to reproduce a bug. The problem is that the test opens a million of popup. Clicking on Ignore is useless, the popup continues to reappear again and again. The stderr is also flooded with "Assertion error ..." with the MSCRT.
I don't understand the usage of this popup and this error message. Python already raises a nice OSError when a FD is invalid.
Can we please always turn these warnings off even in debug mode when calling a MSCRT function protected by _Py_BEGIN_SUPPRESS_IPH/_Py_END_SUPPRESS_IPH?
See also issue #25001 "Make --nowindows argument to regrtest propagate when running with -j".