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[tracemalloc] initialize gil_state in functions to stop -Wmaybe-uninitialized warnings#144341
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python-cla-botbot commentedJan 30, 2026 • edited
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All commit authors signed the Contributor License Agreement. |
Most changes to Pythonrequire a NEWS entry. Add one using theblurb_it web app or theblurb command-line tool. If this change has little impact on Python users, wait for a maintainer to apply the |
Initialize PyGILState_STATE gil_state to PyGILState_UNLOCKED inPyTraceMalloc_Track, tracemalloc_alloc, tracemalloc_realloc tostop -Wmaybe-uninitialized warnings on GCC. Behavior is unchanged
9710396 todaeb949CompareMost changes to Pythonrequire a NEWS entry. Add one using theblurb_it web app or theblurb command-line tool. If this change has little impact on Python users, wait for a maintainer to apply the |
vstinner commentedJan 30, 2026
How did you build Python? What is your operating system name and version? What is your GCC version? |
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initialize gil_state in functions to stop -Wmaybe-uninitialized warnings
Sadly, GCC is wrong here,gil_state is always initialized and it's used. GCC is confused byif (need_gil).
| PyTraceMalloc_Track(unsigned int domain, uintptr_t ptr, | ||
| size_t size) | ||
| { | ||
| PyGILState_STATE gil_state = PyGILState_UNLOCKED; |
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This change is not needed.
Initialize PyGILState_STATE gil_state to PyGILState_UNLOCKED in PyTraceMalloc_Track, tracemalloc_alloc, tracemalloc_realloc to stop -Wmaybe-uninitialized warnings on GCC. Behavior is unchanged