On Linux/x86_64,
fb409a15d9babc78fe1d9957afcbaf1102cce58f is the first bad commit
commit fb409a15d9babc78fe1d9957afcbaf1102cce58f
Author: Jonathan Wakely <jwak...@redhat.com>
Date: Thu May 25 09:57:46 2023 +0100
libstdc++: Express std::vector's size() <= capacity() invariant in code
caused
FAIL: g++.dg/pr104547.C -std=gnu++14 scan-tree-dump-not vrp2
"_M_default_append"
FAIL: g++.dg/pr104547.C -std=gnu++17 scan-tree-dump-not vrp2
"_M_default_append"
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-1452/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/pr104547.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr104547.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr104547.C
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/pr104547.C
--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)
