On Linux/x86_64, a239a63f868e29e9276088e7c0fb00804c2903ba is the first bad commit commit a239a63f868e29e9276088e7c0fb00804c2903ba Author: Aldy Hernandez <al...@redhat.com> Date: Fri Nov 4 22:24:42 2022 +0100
Improve multiplication by powers of 2 in range-ops. caused FAIL: g++.dg/pr71488.C (test for excess errors) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++14 (test for excess errors) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++17 (test for excess errors) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++20 (test for excess errors) FAIL: g++.dg/warn/Warray-bounds-16.C -std=gnu++98 (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-3761/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/pr71488.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr71488.C --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr71488.C --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr71488.C --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-16.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-16.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)