https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124459
--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Nathaniel Shead <[email protected]>: https://gcc.gnu.org/g:0661c5480c80bc40d9bc1cb15c3264d67c2efe9c commit r16-8045-g0661c5480c80bc40d9bc1cb15c3264d67c2efe9c Author: Nathaniel Shead <[email protected]> Date: Fri Mar 13 00:47:36 2026 +1100 c++/modules: Support diagnostic classification changes in macros [PR124459] Diagnostic classification changes via _Pragma can occur in macros, but weren't taking effect in imported modules. The issue is that we were reading the diagnostic classification map before we processed the macro maps, which meant that all locations in macros were just falling back to the abstract location of the module itself. Fixed by moving the processing after we've read the macro maps. PR c++/124459 gcc/cp/ChangeLog: * module.cc (module_state::read_initial): Move read_diagnostic_classification after read_macro_maps. gcc/testsuite/ChangeLog: * g++.dg/modules/warn-spec-4_a.C: New test. * g++.dg/modules/warn-spec-4_b.C: New test. Signed-off-by: Nathaniel Shead <[email protected]> Reviewed-by: Jason Merrill <[email protected]>
