handle more graciously labels with no statement

In C a label must precede a statement. A null statement is OK
but a closing braces is not.

So, catch this situation, emit a warning and continue as if a
null statement was there.

This occurs currently on v5.10-rc1 because of some ifdefery.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/parse.c b/parse.c
index 31ecef0f..b6090d38 100644
--- a/parse.c
+++ b/parse.c
@@ -2468,6 +2468,11 @@ static struct token *statement(struct token *token, struct statement **tree)
 					warn_label_usage(stmt->pos, s->label_pos, s->ident);
 			}
 			s->stmt = stmt;
+			if (match_op(token, '}')) {
+				warning(token->pos, "statement expected after label");
+				stmt->label_statement = alloc_statement(token->pos, STMT_NONE);
+				return token;
+			}
 			return statement(token, &stmt->label_statement);
 		}
 	}