diff options
Diffstat (limited to 'gcc/c/c-parser.c')
| -rw-r--r-- | gcc/c/c-parser.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c index 721158a..5b290bf 100644 --- a/gcc/c/c-parser.c +++ b/gcc/c/c-parser.c @@ -1927,9 +1927,15 @@ c_parser_declaration_or_fndef (c_parser *parser, bool fndef_ok, { if (fallthru_attr_p != NULL) *fallthru_attr_p = true; - tree fn = build_call_expr_internal_loc (here, IFN_FALLTHROUGH, - void_type_node, 0); - add_stmt (fn); + if (nested) + { + tree fn = build_call_expr_internal_loc (here, IFN_FALLTHROUGH, + void_type_node, 0); + add_stmt (fn); + } + else + pedwarn (here, OPT_Wattributes, + "%<fallthrough%> attribute at top level"); } else if (empty_ok && !(have_attrs && specs->non_std_attrs_seen_p)) |