On Linux/x86_64,
e4a0157c2397c9b582cff71d114240a6b083a3dc is the first bad commit
commit e4a0157c2397c9b582cff71d114240a6b083a3dc
Author: Giuseppe D'Angelo <[email protected]>
Date: Mon Dec 9 02:11:19 2024 +0100
libstdc++: port bitwise relocatable away from is_trivial
caused
FAIL: g++.dg/warn/uninit-pr105562.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/warn/uninit-pr105562.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/warn/uninit-pr105562.C -std=gnu++26 (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-6060/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/warn/uninit-pr105562.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/warn/uninit-pr105562.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/warn/uninit-pr105562.C --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/warn/uninit-pr105562.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.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)