On Wed, 27 May 2026 at 11:15, Haochen Jiang <[email protected]> wrote: > > On Linux/x86_64, > > e309e09187c07589901df1d3913e4def4afb5817 is the first bad commit > commit e309e09187c07589901df1d3913e4def4afb5817 > Author: Jonathan Wakely <[email protected]> > Date: Thu May 21 17:09:47 2026 +0100 > > libstdc++: Deprecate std::memory_order::consume > > caused > > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++11 dg-regexp 29 not > found: " *inlined from [^\n\r]+.C:23:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++11 dg-regexp 44 not > found: " *inlined from [^\n\r]+.C:36:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++11 dg-regexp 46 not > found: " *inlined from [^\n\r]+.C:39:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++11 dg-regexp 74 not > found: " *inlined from [^\n\r]+.C:66:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++20 dg-regexp 29 not > found: " *inlined from [^\n\r]+.C:23:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++20 dg-regexp 44 not > found: " *inlined from [^\n\r]+.C:36:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++20 dg-regexp 46 not > found: " *inlined from [^\n\r]+.C:39:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++20 dg-regexp 74 not > found: " *inlined from [^\n\r]+.C:66:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++26 dg-regexp 29 not > found: " *inlined from [^\n\r]+.C:23:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++26 dg-regexp 44 not > found: " *inlined from [^\n\r]+.C:36:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++26 dg-regexp 46 not > found: " *inlined from [^\n\r]+.C:39:.*" > FAIL: g++.dg/warn/Winvalid-memory-model-2.C -std=gnu++26 dg-regexp 74 not > found: " *inlined from [^\n\r]+.C:66:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++11 dg-regexp 29 not > found: " *inlined from [^\n\r]+.C:23:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++11 dg-regexp 44 not > found: " *inlined from [^\n\r]+.C:36:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++11 dg-regexp 46 not > found: " *inlined from [^\n\r]+.C:39:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++20 dg-regexp 29 not > found: " *inlined from [^\n\r]+.C:23:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++20 dg-regexp 44 not > found: " *inlined from [^\n\r]+.C:36:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++20 dg-regexp 46 not > found: " *inlined from [^\n\r]+.C:39:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++26 dg-regexp 29 not > found: " *inlined from [^\n\r]+.C:23:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++26 dg-regexp 44 not > found: " *inlined from [^\n\r]+.C:36:.*" > FAIL: g++.dg/warn/Winvalid-memory-model.C -std=gnu++26 dg-regexp 46 not > found: " *inlined from [^\n\r]+.C:39:.*"
This is https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125465 > > with GCC configured with > > ../../gcc/configure > --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r17-808/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="dg.exp=g++.dg/warn/Winvalid-memory-model-2.C > --target_board='unix{-m32}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model-2.C > --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model-2.C > --target_board='unix{-m64}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model-2.C > --target_board='unix{-m64\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model.C > --target_board='unix{-m32}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model.C > --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model.C > --target_board='unix{-m64}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="dg.exp=g++.dg/warn/Winvalid-memory-model.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.) >
