Fix last checkin (351204, r=mrbkap).

js/src/jsinterp.c

@@ -518,10 +518,11 @@ PutBlockObjects(JSContext *cx, JSStackFrame *fp)
 
     ok = JS_TRUE;
     for (obj = fp->scopeChain; obj; obj = OBJ_GET_PARENT(cx, obj)) {
-        if (JS_GetPrivate(cx, obj) != fp)
-            break;
-        if (OBJ_GET_CLASS(cx, obj) == &js_BlockClass)
+        if (OBJ_GET_CLASS(cx, obj) == &js_BlockClass) {
+            if (JS_GetPrivate(cx, obj) != fp)
+                break;
             ok &= js_PutBlockObject(cx, obj);
+        }
     }
     return ok;
 }