[r17-2449 Regression] FAIL: ext/stdio_sync_filebuf/wchar_t/12048-4.cc -std=gnu++20 execution test on Linux/x86_64
Haochen Jiang <[email protected]> Wed, 22 Jul 2026 01:28:04 +0800
| Newsgroups | gmane.comp.gcc.patches,gmane.comp.gcc.regression |
|---|---|
| Message-ID | <[email protected]> |
On Linux/x86_64, 7f2bba0d2d08219e79ab6ba543be42ccdb37a760 is the first bad commit commit 7f2bba0d2d08219e79ab6ba543be42ccdb37a760 Author: Arsen Arsenović <[email protected]> Date: Sat Jun 20 19:05:58 2026 +0200 libstdc++: Fix LD_LIBRARY_PATH when testing an installed compiler caused FAIL: 27_io/objects/wchar_t/12048-1.cc -std=gnu++20 execution test FAIL: 27_io/objects/wchar_t/12048-2.cc -std=gnu++20 execution test FAIL: 27_io/objects/wchar_t/12048-3.cc -std=gnu++20 execution test FAIL: 27_io/objects/wchar_t/12048-4.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/char/12048-1.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/char/12048-2.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/char/12048-3.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/char/12048-4.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/wchar_t/12048-1.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/wchar_t/12048-2.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/wchar_t/12048-3.cc -std=gnu++20 execution test FAIL: ext/stdio_sync_filebuf/wchar_t/12048-4.cc -std=gnu++20 execution test with GCC configured with ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r17-2449/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=27_io/objects/wchar_t/12048-1.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-1.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-1.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-1.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-2.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-2.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-2.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-2.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-3.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-3.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-3.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-3.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-4.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-4.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-4.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=27_io/objects/wchar_t/12048-4.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-1.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-1.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-1.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-1.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-2.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-2.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-2.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-2.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-3.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-3.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-3.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-3.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-4.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-4.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-4.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/char/12048-4.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-1.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-1.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-1.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-1.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-2.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-2.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-2.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-2.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-3.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-3.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-3.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-3.cc --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-4.cc --target_board='unix{-m32}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-4.cc --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-4.cc --target_board='unix{-m64}'" $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check RUNTESTFLAGS="conformance.exp=ext/stdio_sync_filebuf/wchar_t/12048-4.cc --target_board='unix{-m64\ -march=cascadelake}'" 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