[r16-8385 Regression] FAIL: g++.dg/modules/compile-std1.C -std=c++26 (test for excess errors) on Linux/x86_64
Haochen Jiang <[email protected]>
| Newsgroups | gmane.comp.gcc.patches,gmane.comp.gcc.regression |
|---|---|
| Message-ID | <[email protected]> |
On Linux/x86_64, c9525a790291bb924ac5d9887dd1f57e76a66a03 is the first bad commit commit c9525a790291bb924ac5d9887dd1f57e76a66a03 Author: Jonathan Wakely <[email protected]> Date: Mon Mar 30 12:13:39 2026 +0100 libstdc++: Rename saturation arithmetic for C++26 (P4052R0) caused FAIL: g++.dg/modules/compile-std1.C module-cmi std.compat (gcm.cache/std.compat.gcm) FAIL: g++.dg/modules/compile-std1.C module-cmi std (gcm.cache/std.gcm) FAIL: g++.dg/modules/compile-std1.C -std=c++26 (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-8385/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="modules.exp=g++.dg/modules/compile-std1.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/compile-std1.C --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/compile-std1.C --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="modules.exp=g++.dg/modules/compile-std1.C --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.)