https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119817
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Iain Buclaw <ibuc...@gcc.gnu.org>: https://gcc.gnu.org/g:f5ed7d19c965de9ccb158d77e929b17459bf65b5 commit r15-9483-gf5ed7d19c965de9ccb158d77e929b17459bf65b5 Author: Iain Buclaw <ibuc...@gdcproject.org> Date: Tue Apr 15 14:49:34 2025 +0200 d: Fix ICE in dwarf2out_imported_module_or_decl, at dwarf2out.cc:27676 [PR119817] The ImportVisitor method for handling the importing of overload sets was pushing NULL_TREE to the array of import decls, which in turn got passed to `debug_hooks->imported_module_or_decl', triggering the observed internal compiler error. NULL_TREE is returned from `build_import_decl' when the symbol was ignored for being non-trivial to represent in debug, for example, template or tuple declarations. So similarly "skip" adding the symbol when this is the case for overload sets too. PR d/119817 gcc/d/ChangeLog: * imports.cc (ImportVisitor::visit (OverloadSet *)): Don't push NULL_TREE to vector of import symbols. gcc/testsuite/ChangeLog: * gdc.dg/debug/imports/m119817/a.d: New test. * gdc.dg/debug/imports/m119817/b.d: New test. * gdc.dg/debug/imports/m119817/package.d: New test. * gdc.dg/debug/pr119817.d: New test.
