On Linux/x86_64,

7e3b45befdbbf1a1f9ff728fa2bac31b4756907c is the first bad commit
commit 7e3b45befdbbf1a1f9ff728fa2bac31b4756907c
Author: Tim Lange <m...@tim-lange.me>
Date:   Fri Aug 12 10:27:16 2022 +0200

    analyzer: out-of-bounds checker [PR106000]

caused

FAIL: gcc.dg/analyzer/torture/pr93451.c   -O0  (test for excess errors)
FAIL: gcc.dg/analyzer/torture/pr93451.c   -O1  (test for excess errors)
FAIL: gcc.dg/analyzer/torture/pr93451.c   -O2 -flto -fno-use-linker-plugin 
-flto-partition=none  (test for excess errors)
FAIL: gcc.dg/analyzer/torture/pr93451.c   -O2  (test for excess errors)
FAIL: gcc.dg/analyzer/torture/pr93451.c   -O3 -g  (test for excess errors)
FAIL: gcc.dg/analyzer/torture/pr93451.c   -Os  (test for excess errors)

with GCC configured with

../../gcc/configure 
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-2029/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="analyzer-torture.exp=gcc.dg/analyzer/torture/pr93451.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="analyzer-torture.exp=gcc.dg/analyzer/torture/pr93451.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)

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