JS_SetPropertyInternal(): avoid recursing thru the prototypes if the property is found in a prototype

Author: Fabrice Bellard

quickjs.c

@@ -8930,6 +8930,8 @@ static int JS_SetPropertyInternal2(JSContext *ctx, JSValueConst obj, JSAtom prop
                 goto retry2;
             } else if (!(prs->flags & JS_PROP_WRITABLE)) {
                 goto read_only_prop;
+            } else {
+                break;
             }
         }
     }