On Linux/x86_64,

1b71bc7c8b18bd1b22debfde155f175fd1654942 is the first bad commit
commit 1b71bc7c8b18bd1b22debfde155f175fd1654942
Author: Jason Merrill <ja...@redhat.com>
Date:   Tue Feb 15 19:17:03 2022 -0500

    tree: tweak warn_deprecated_use

caused

FAIL: gcc.dg/deprecated.c (test for excess errors)
FAIL: gcc.dg/deprecated.c  (test for warnings, line 28)

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-7287/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/deprecated.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/deprecated.c 
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/deprecated.c 
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/deprecated.c 
--target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me 
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