https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121933
uecker at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |uecker at gcc dot gnu.org --- Comment #5 from uecker at gcc dot gnu.org --- The patch sets DECL_NONLOCAL on label which was not done before. The following patch which I am testing right now fixes this. I can not comment on whether there is also an underlying bug exposed by this or not. diff --git a/gcc/c/c-typeck.cc b/gcc/c/c-typeck.cc index 67e4c9cfa57..396224f6ad6 100644 --- a/gcc/c/c-typeck.cc +++ b/gcc/c/c-typeck.cc @@ -3681,7 +3681,8 @@ mark_decl_used (tree ref, bool address) if (static_p) C_DECL_USED (ref) = 1; - if (nonloc_p) + if (nonloc_p && (VAR_OR_FUNCTION_DECL_P (ref) + || PARM_DECL == TREE_CODE (ref))) DECL_NONLOCAL (ref) = 1; /* Nothing to do anymore. */