gh-121040: Use __attribute__((fallthrough)) #121044
Merged
Commits on Jun 26, 2024
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pythongh-121040: Use __attribute__((fallthrough))
Annotate explicitly "fall through" switch cases with a new _Py_FALLTHROUGH macro which uses __attribute__((fallthrough)) if available. Fix warnings when using -Wimplicit-fallthrough compiler flag.
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Add _Py__has_attribute() macro
No longer define __has_attribute() if it's not defined. Move also _Py__has_builtin() at the top of pyport.h.
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