On Linux/x86_64, ed32ec26697cc77492d094b31a0d2eebc0535644 is the first bad commit commit ed32ec26697cc77492d094b31a0d2eebc0535644 Author: Jason Merrill <ja...@redhat.com> Date: Tue Apr 18 17:12:17 2023 -0400
c++: fix 'unsigned __int128_t' semantics [PR108099] caused FAIL: g++.dg/ext/int128-8.C -std=gnu++14 (test for excess errors) FAIL: g++.dg/ext/int128-8.C -std=gnu++17 (test for excess errors) FAIL: g++.dg/ext/int128-8.C -std=gnu++20 (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-88/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=g++.dg/ext/int128-8.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/ext/int128-8.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)