On Linux/x86_64,

eccbd7fcee5bbfc47731e8de83c44eee2e3dcc4b is the first bad commit
commit eccbd7fcee5bbfc47731e8de83c44eee2e3dcc4b
Author: Paul A. Clarke <p...@us.ibm.com>
Date:   Mon Feb 21 12:14:01 2022 -0600

    rs6000: Move g++.dg powerpc PR tests to g++.target

caused

FAIL: g++.dg/tsan/pr88018.C   -O0  (test for excess errors)

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r13-456/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="tsan.exp=g++.dg/tsan/pr88018.C 
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="tsan.exp=g++.dg/tsan/pr88018.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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