fixes #2229

tests/overload/tsymtabchange_during_or.nim

@@ -0,0 +1,24 @@
+
+# bug #2229
+
+type Type1 = object
+        id: int
+
+type Type2 = object
+    id: int
+
+proc init(self: var Type1, a: int, b: ref Type2) =
+    echo "1"
+
+proc init(self: var Type2, a: int) =
+    echo """
+        Works when this proc commented out
+        Otherwise error:
+        test.nim(14, 4) Error: ambiguous call; both test.init(self: var Type1, a: int, b: ref Type2) and test.init(self: var Type1, a: int, b: ref Type2) match for: (Type1, int literal(1), ref Type2)
+    """
+
+var a: Type1
+init(a, 1, (
+    var b = new(Type2);
+    b
+))