Check signature of overriding methods for async

Signed-off-by: Frederik 'playya' Sdun <Frederik.Sdun@googlemail.com>

diff --git a/vala/valamethod.vala b/vala/valamethod.vala
index 8b9359a66e7c2c98963a7ba3f1eaec19a3914395..53c842b0b17892caf8353fd98c78f386991ce856 100644 (file)
--- a/vala/valamethod.vala
+++ b/vala/valamethod.vala
@@ -543,6 +543,10 @@ public class Vala.Method : Member {
                                return false;
                        }
                }
+               if (base_method.coroutine != this.coroutine) {
+                       invalid_match = "async mismatch";
+                       return false;
+               }
 
                return true;
        }