On Linux/x86_64,

d14ef0987de2f6f2dac64f4f0f068b929078a01d is the first bad commit
commit d14ef0987de2f6f2dac64f4f0f068b929078a01d
Author: Tamar Christina <tamar.christ...@arm.com>
Date:   Fri Jan 12 15:27:45 2024 +0000

    testsuite: Make bitint early vect test more accurate

caused

FAIL: gcc.dg/vect/vect-early-break_100-pr113287.c -flto -ffat-lto-objects (test 
for excess errors)
FAIL: gcc.dg/vect/vect-early-break_100-pr113287.c (test for excess errors)

with GCC configured with

../../gcc/configure 
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-7199/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="vect.exp=gcc.dg/vect/vect-early-break_100-pr113287.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-early-break_100-pr113287.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.)

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