On Linux/x86_64,
cf65235e03d2eb1667624943eae8f7fc355bceaf is the first bad commit
commit cf65235e03d2eb1667624943eae8f7fc355bceaf
Author: Andrew Pinski <[email protected]>
Date: Thu Mar 6 16:07:02 2025 -0800
c: Fix warning after an error on a return statment [PR60440]
caused
FAIL: gcc.dg/Wreturn-mismatch-2a.c (test for warnings, line 40)
FAIL: gcc.dg/Wreturn-mismatch-6.c (test for warnings, line 40)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-7894/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl
--enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-2a.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-2a.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-2a.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-2a.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-6.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-6.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-6.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=gcc.dg/Wreturn-mismatch-6.c --target_board='unix{-m64\
-march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at haochen dot jiang at intel.com.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)
