[PATCH,FORTRAN] testsuite: fix matching of language lists in diagnostics [PR fortran/122923]

[Jakub Jelinek]

On Sun, Nov 30, 2025 at 01:57:38PM +0100, Jose E. Marchesi wrote:
> A few Fortran tests that pass both Fortran and C programs in the same
> compilation check for warnings like:
> 
>   { dg-warning "command-line option '-fcheck=all' is valid for Fortran but not for C" "" { target *-*-* } 0 }
> 
> The problem is that the warning may actually indicate the option is
> valid for other languages other than Fortran.  Like in:
> 
>   warning: command-line option ‘-fcheck=all’ is valid for Algol68/Fortran but not for C
> 
> This patch modifies the regexps used in the tests in order to match
> the language list strings generated by opts-global.cc:write_langs.
> 
> Tested in x86_64-linux-gnu with make check-gfortran.
> 
> gcc/testsuite/ChangeLog
> 
> 	PR fortran/122923
> 	* gfortran.dg/ISO_Fortran_binding_17.f90: Recognize language
> 	list in warning regexp.
> 	* gfortran.dg/c-interop/allocate-errors.f90: Likewise.
> 	* gfortran.dg/c-interop/establish-errors.f90: Likewise.
> 	* gfortran.dg/c-interop/pr113338.f90: Likewise.
> 	* gfortran.dg/c-interop/section-errors.f90: Likewise.
> 	* gfortran.dg/c-interop/select-errors.f90: Likewise.
> 	* gfortran.dg/c-interop/setpointer-errors.f90: Likewise.

LGTM.

	Jakub