[Bug testsuite/80219] relative line numbers only working if gcc_{error,warning}_prefix defined

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80219

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Thomas Schwinge
<tschwinge@gcc.gnu.org>:

https://gcc.gnu.org/g:591e878fc6dd08502429a8e480d8e7d966836ca9

commit r10-8959-g591e878fc6dd08502429a8e480d8e7d966836ca9
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Thu Oct 29 10:29:19 2020 +0100

    libgomp testsuite: tell warning from error diagnostics, etc. [PR80219,
PR85303]

    This changes makes 'dg-warning', 'dg-error', 'dg-bogus', 'dg-message'
behave as
    expected, and also enables use of relative line numbers as well as
'dg-line'.

            libgomp/
            PR testsuite/80219
            PR testsuite/85303
            * testsuite/lib/libgomp.exp (libgomp_init): Set
            'gcc_warning_prefix', 'gcc_error_prefix'.

    (cherry picked from commit 528507fa0314c75d1105890e4781a475c8badd7c)