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Savannah Git Hosting - gnulib.git/commit
tests: dissuade unwanted clang optimization
Pacify Apple clang 14.0.0 (clang-1400.0.29.202) for
arm64-apple-darwin21.6.0 on test-memset_explicit.c,
which otherwise complains “warning: null passed to a callee that
requires a non-null argument [-Wnonnull]” and presumably could
do an unwanted optimization based on this analysis.
Do other tests consistently.
* tests/test-bsearch.c (lib_bsearch, volatile_bsearch, bsearch):
* tests/test-memccpy.c (lib_memccpy, volatile_memccpy, memccpy):
* tests/test-memchr.c (lib_memchr, volatile_memchr, memchr):
* tests/test-memcmp.c (lib_memcmp, volatile_memcmp, memcmp):
* tests/test-memcpy.c (lib_memcpy, volatile_memcpy, memcpy):
* tests/test-memmove.c (lib_memmove, volatile_memmove, memmove):
* tests/test-memset.c (lib_memset, volatile_memset, memset):
* tests/test-memset_explicit.c (lib_memset_explicit)
(volatile_memset_explicit, memset_explicit):
* tests/test-qsort.c (lib_qsort, volatile_qsort, qsort):
* tests/test-strncat.c (lib_strncat, volatile_strncat, strncat):
* tests/test-strncmp.c (lib_strncmp, volatile_strncmp, strncmp):
* tests/test-strncpy.c (lib_strncpy, volatile_strncpy, strncpy):
* tests/test-strndup.c (lib_strndup, volatile_strndup, strndup):
* tests/test-wcsncat.c (lib_wcsncat, volatile_wcsncat, wcsncat):
* tests/test-wcsncmp.c (lib_wcsncmp, volatile_wcsncmp, wcsncmp):
* tests/test-wcsncpy.c (lib_wcsncpy, volatile_wcsncpy, wcsncpy):
* tests/test-wmemchr.c (lib_wmemchr, volatile_wmemchr, wmemchr):
* tests/test-wmemcmp.c (lib_wmemcmp, volatile_wmemcmp, wmemcmp):
* tests/test-wmemcpy.c (lib_wmemcpy, volatile_wmemcpy, wmemcpy):
* tests/test-wmemmove.c (lib_wmemmove, volatile_wmemmove, wmemmove):
* tests/test-wmemset.c (lib_wmemset, volatile_wmemset, wmemset)
Convince the compiler to not optimize based on what it thinks
about the function. Callers changed to not use volatile locals,
since they should no longer be needed.
22 files changed: