[r16-2084 Regression] FAIL: 23_containers/forward_list/debug/move_neg.cc -std=gnu++17 (test for excess errors) on Linux/x86_64

"haochen.jiang via Gcc-regression" <[email protected]>
Newsgroups gmane.comp.gcc.regression,gmane.comp.gcc.patches
Message-ID <[email protected]>
On Linux/x86_64,

2fd6f42c17a8040dbd3460ca34d93695dacf8575 is the first bad commit
commit 2fd6f42c17a8040dbd3460ca34d93695dacf8575
Author: François Dumont <[email protected]>
Date:   Thu Mar 27 19:02:59 2025 +0100

    libstdc++: Make debug iterator pointer sequence const [PR116369]

caused

FAIL: 23_containers/forward_list/cons/self_move.cc  -std=gnu++17 (test for excess errors)
FAIL: 23_containers/forward_list/debug/construct4_neg.cc  -std=gnu++17 (test for excess errors)
FAIL: 23_containers/forward_list/debug/move_assign_neg.cc  -std=gnu++17 (test for excess errors)
FAIL: 23_containers/forward_list/debug/move_neg.cc  -std=gnu++17 (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-2084/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=23_containers/forward_list/cons/self_move.cc --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/cons/self_move.cc --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/cons/self_move.cc --target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/cons/self_move.cc --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/construct4_neg.cc --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/construct4_neg.cc --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/construct4_neg.cc --target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/construct4_neg.cc --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_assign_neg.cc --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_assign_neg.cc --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_assign_neg.cc --target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_assign_neg.cc --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_neg.cc --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_neg.cc --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_neg.cc --target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=23_containers/forward_list/debug/move_neg.cc --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.)
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