On Linux/x86_64,
ad2bab693f74cad239615ba8725a691d435b3a97 is the first bad commit
commit ad2bab693f74cad239615ba8725a691d435b3a97
Author: Richard Biener <rguent...@suse.de>
Date: Tue Jul 8 13:46:01 2025 +0200
Avoid IPA opts around guality plumbing
caused
FAIL: gcc.dg/guality/pr41447-1.c -O2 -DPREVENT_OPTIMIZATION execution test
FAIL: gcc.dg/guality/pr41447-1.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none -DPREVENT_OPTIMIZATION execution test
FAIL: gcc.dg/guality/pr41447-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects -DPREVENT_OPTIMIZATION execution test
FAIL: gcc.dg/guality/pr41447-1.c -O3 -g -DPREVENT_OPTIMIZATION execution
test
FAIL: gcc.dg/guality/pr41447-1.c -Os -DPREVENT_OPTIMIZATION execution test
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-2103/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="guality.exp=gcc.dg/guality/pr41447-1.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr41447-1.c --target_board='unix{-m32\
-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.)
