On Linux/x86_64,
76b75018b3d053a890ebe155e47814de14b3c9fb is the first bad commit
commit 76b75018b3d053a890ebe155e47814de14b3c9fb
Author: Jason Merrill <ja...@redhat.com>
Date: Thu Jul 15 15:30:17 2021 -0400
c++: implement C++17 hardware interference size
caused
FAIL: 29_atomics/atomic_flag/test_and_set/explicit-hle.cc (test for excess
errors)
FAIL: g++.dg/ext/sync-4.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/ext/sync-4.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/ext/sync-4.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/ext/sync-4.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/inline9.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/inline9.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/inline9.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/inline9.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/longbranch2.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/pr52727.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/pr52727.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/pr52727.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/pr52727.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/pr58864.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/pr58864.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/pr58864.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/pr58864.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/pr69570.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/pr69570.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/pr69570.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/pr69570.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/opt/reg-stack4.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/opt/reg-stack4.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/opt/reg-stack4.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/opt/reg-stack4.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/other/pr39496.C -std=gnu++14 (test for excess errors)
FAIL: g++.dg/other/pr39496.C -std=gnu++17 (test for excess errors)
FAIL: g++.dg/other/pr39496.C -std=gnu++2a (test for excess errors)
FAIL: g++.dg/other/pr39496.C -std=gnu++98 (test for excess errors)
FAIL: libitm.c++/dropref.C (test for excess errors)
FAIL: libitm.c++/eh-1.C (test for excess errors)
FAIL: libitm.c++/eh-2.C (test for excess errors)
FAIL: libitm.c++/eh-3.C (test for excess errors)
FAIL: libitm.c++/eh-4.C (test for excess errors)
FAIL: libitm.c++/eh-5.C (test for excess errors)
FAIL: libitm.c++/libstdc++-pr91488.C (test for excess errors)
FAIL: libitm.c++/libstdc++-safeexc.C (test for excess errors)
FAIL: libitm.c++/newdelete.C (test for excess errors)
FAIL: libitm.c++/throwdown.C (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-3495/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}/x86_64-linux/libstdc++-v3/testsuite && make check
RUNTESTFLAGS="conformance.exp=29_atomics/atomic_flag/test_and_set/explicit-hle.cc
--target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check
RUNTESTFLAGS="conformance.exp=29_atomics/atomic_flag/test_and_set/explicit-hle.cc
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/ext/sync-4.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/ext/sync-4.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/inline9.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/inline9.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/opt/longbranch2.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dg.exp=g++.dg/opt/longbranch2.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/pr52727.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/pr52727.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/pr58864.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/pr58864.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/pr69570.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/pr69570.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/reg-stack4.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/opt/reg-stack4.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/other/pr39496.C
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/other/pr39496.C
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/dropref.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/dropref.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-1.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-1.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-2.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-2.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-3.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-3.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-4.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-4.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-5.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/eh-5.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/libstdc++-pr91488.C
--target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/libstdc++-pr91488.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/libstdc++-safeexc.C
--target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/libstdc++-safeexc.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/newdelete.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/newdelete.C --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/throwdown.C --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libitm/testsuite && make check
RUNTESTFLAGS="c++.exp=libitm.c++/throwdown.C --target_board='unix{-m32\
-march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at skpgkp2 at gmail dot com)
