On Linux/x86_64, 5d84a4418aa962a715dc74998fea2a7de9d4042c is the first bad commit commit 5d84a4418aa962a715dc74998fea2a7de9d4042c Author: Patrick Palka <ppa...@redhat.com> Date: Tue Sep 13 11:18:14 2022 -0400
libstdc++: Implement ranges::chunk_view from P2442R1 caused FAIL: g++.dg/modules/xtreme-header-2_a.H module-cmi (gcm.cache/$srcdir/g++.dg/modules/xtreme-header-2_a.H.gcm) FAIL: g++.dg/modules/xtreme-header-2_a.H -std=c++2b (internal compiler error: tree check: expected record_type or union_type or qual_union_type, have typename_type in friend_from_decl_list, at cp/module.cc:4737) FAIL: g++.dg/modules/xtreme-header-2_a.H -std=c++2b (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-2650/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="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-2_a.H --target_board='unix{-m64\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)