Warning fixes (630865, r=jorendorff).

js/src/jsfun.cpp

@@ -1707,9 +1707,11 @@ fun_enumerate(JSContext *cx, JSObject *obj)
 static JSObject *
 ResolveInterpretedFunctionPrototype(JSContext *cx, JSObject *obj)
 {
+#ifdef DEBUG
     JSFunction *fun = obj->getFunctionPrivate();
     JS_ASSERT(fun->isInterpreted());
     JS_ASSERT(!fun->isFunctionPrototype());
+#endif
 
     /*
      * Assert that fun is not a compiler-created function object, which
@@ -2645,10 +2647,12 @@ IsBuiltinFunctionConstructor(JSFunction *fun)
 const Shape *
 LookupInterpretedFunctionPrototype(JSContext *cx, JSObject *funobj)
 {
+#ifdef DEBUG
     JSFunction *fun = funobj->getFunctionPrivate();
     JS_ASSERT(fun->isInterpreted());
     JS_ASSERT(!fun->isFunctionPrototype());
     JS_ASSERT(!funobj->isBoundFunction());
+#endif
 
     jsid id = ATOM_TO_JSID(cx->runtime->atomState.classPrototypeAtom);
     const Shape *shape = funobj->nativeLookup(id);

js/src/jstracer.cpp

@@ -13740,7 +13740,6 @@ TraceRecorder::createThis(JSObject& ctor, LIns* ctor_ins, LIns** thisobj_insp)
 
     // Given the above conditions, ctor.prototype is a non-configurable data
     // property with a slot.
-    jsid id = ATOM_TO_JSID(cx->runtime->atomState.classPrototypeAtom);
     const Shape *shape = LookupInterpretedFunctionPrototype(cx, &ctor);
     if (!shape)
         RETURN_ERROR("new f: error resolving f.prototype");