RE: [r16-4540 Regression] FAIL: c-c++-common/gomp/metadirective-2.c -std=c++98 (test for excess errors) on Linux/x86_64

> From: Jiang, Haochen <[email protected]>
> Sent: Thursday, October 23, 2025 3:49 PM
> 
> On Linux/x86_64,
> 
> 80af807e52e4f4c480454e5a54aaeb7ce44556fd is the first bad commit
> commit 80af807e52e4f4c480454e5a54aaeb7ce44556fd
> Author: Paul-Antoine Arras <[email protected]>
> Date:   Thu Oct 16 17:22:08 2025 +0100
> 
>     OpenMP: Handle non-executable directives in intervening code
> [PR120180,PR122306]
> 
> caused
> 
> FAIL: c-c++-common/gomp/attrs-metadirective-2.c  -std=gnu++11 (test for
> excess errors)
> FAIL: c-c++-common/gomp/attrs-metadirective-2.c  -std=gnu++17 (test for
> excess errors)
> FAIL: c-c++-common/gomp/attrs-metadirective-2.c  -std=gnu++26 (test for
> excess errors)
> FAIL: c-c++-common/gomp/attrs-metadirective-2.c (test for excess errors)
> FAIL: c-c++-common/gomp/metadirective-2.c  -std=c++17 (test for excess
> errors)
> FAIL: c-c++-common/gomp/metadirective-2.c  -std=c++26 (test for excess
> errors)
> FAIL: c-c++-common/gomp/metadirective-2.c  -std=c++98 (test for excess
> errors)
> FAIL: c-c++-common/gomp/metadirective-2.c (test for excess errors)

Should have been fixed according to:

https://gcc.gnu.org/pipermail/gcc-regression/2025-October/082846.html

Thx,
Haochen

> 
> with GCC configured with
> 
> ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-
> bisect/master/master/r16-4540/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="gomp.exp=c-c++-
> common/gomp/attrs-metadirective-2.c --target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/attrs-metadirective-2.c --target_board='unix{-m32\ -
> march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/attrs-metadirective-2.c --target_board='unix{-m64}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/attrs-metadirective-2.c --target_board='unix{-m64\ -
> march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/metadirective-2.c --target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/metadirective-2.c --target_board='unix{-m32\ -
> march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/metadirective-2.c --target_board='unix{-m64}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="gomp.exp=c-c++-
> common/gomp/metadirective-2.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.)