On Linux/x86_64,
a98d5130a6dcff2ed4db371e500550134777b8cf is the first bad commit
commit a98d5130a6dcff2ed4db371e500550134777b8cf
Author: Richard Biener <rguent...@suse.de>
Date: Mon Jan 15 12:55:20 2024 +0100
rtl-optimization/113255 - base_alias_check vs. pointer difference
caused
FAIL: gcc.dg/torture/pr113255.c -O0 (test for excess errors)
FAIL: gcc.dg/torture/pr113255.c -O1 (test for excess errors)
FAIL: gcc.dg/torture/pr113255.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none (test for excess errors)
FAIL: gcc.dg/torture/pr113255.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (test for excess errors)
FAIL: gcc.dg/torture/pr113255.c -O2 (test for excess errors)
FAIL: gcc.dg/torture/pr113255.c -O3 -g (test for excess errors)
FAIL: gcc.dg/torture/pr113255.c -Os (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-8346/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-torture.exp=gcc.dg/torture/pr113255.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg-torture.exp=gcc.dg/torture/pr113255.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.)
