[r16-7945 Regression] FAIL: 21_strings/basic_string/requirements/dr438/constructor.cc -std=gnu++20 (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, 698a6af5dcbae5d935bcda8a461dea8458c658dc is the first bad commit commit 698a6af5dcbae5d935bcda8a461dea8458c658dc Author: François Dumont <[email protected]> Date: Mon Feb 23 18:58:00 2026 +0100 libstdc++: [_GLIBCXX_DEBUG][__cplusplus >= 201103L] Remove useless workaround caused FAIL: 21_strings/basic_string/requirements/dr438/constructor.cc -std=gnu++20 (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-7945/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=21_strings/basic_string/requirements/dr438/constructor.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=21_strings/basic_string/requirements/dr438/constructor.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=21_strings/basic_string/requirements/dr438/constructor.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=21_strings/basic_string/requirements/dr438/constructor.cc --target_board='unix{-m64\ -march=cascadelake}'" (Please directly reply to this email for question about this report.) (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.)