http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53780
Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu.org --- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-06-29 13:45:50 UTC --- Hmm. Does Index: gcc/tree.c =================================================================== --- gcc/tree.c (revision 189046) +++ gcc/tree.c (working copy) @@ -4852,7 +4852,15 @@ find_decls_types_r (tree *tp, int *ws, v fld_worklist_push (TYPE_MAIN_VARIANT (t), fld); /* Do not walk TYPE_NEXT_VARIANT. We do not stream it and thus do not and want not to reach unused variants this way. */ - fld_worklist_push (TYPE_CONTEXT (t), fld); + if (TYPE_CONTEXT (t)) + { + tree ctx = TYPE_CONTEXT (t); + /* We adjust BLOCK TYPE_CONTEXTs to the innermost non-BLOCK one. + So push that instead. */ + while (ctx && TREE_CODE (ctx) == BLOCK) + ctx = BLOCK_SUPERCONTEXT (ctx); + fld_worklist_push (ctx, fld); + } /* Do not walk TYPE_CANONICAL. We do not stream it and thus do not and want not to reach unused types this way. */ fix it?