On Linux/x86_64, cf4ed3b41594b6935a337fe0aaf8149eadf88751 is the first bad commit commit cf4ed3b41594b6935a337fe0aaf8149eadf88751 Author: Jonathan Wakely <jwak...@redhat.com> Date: Tue Dec 15 11:40:06 2020 +0000
libstdc++: Use init_priority attribute for Init object [PR 98108] caused FAIL: g++.dg/pch/system-1.C -g assembly comparison FAIL: g++.dg/pch/system-1.C -O2 assembly comparison FAIL: g++.dg/pch/system-1.C -O2 -g assembly comparison FAIL: g++.dg/pch/system-2.C -g assembly comparison FAIL: g++.dg/pch/system-2.C -O2 assembly comparison FAIL: g++.dg/pch/system-2.C -O2 -g assembly comparison FAIL: g++.dg/warn/Wstringop-overflow-6.C -std=gnu++14 (test for excess errors) FAIL: g++.dg/warn/Wstringop-overflow-6.C -std=gnu++17 (test for excess errors) FAIL: g++.dg/warn/Wstringop-overflow-6.C -std=gnu++2a (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-6072/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="pch.exp=g++.dg/pch/system-1.C --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="pch.exp=g++.dg/pch/system-1.C --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="pch.exp=g++.dg/pch/system-1.C --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="pch.exp=g++.dg/pch/system-2.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="pch.exp=g++.dg/pch/system-2.C --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="pch.exp=g++.dg/pch/system-2.C --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="pch.exp=g++.dg/pch/system-2.C --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-6.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-6.C --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-6.C --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-6.C --target_board='unix{-m64\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)