Use JS_SplicePrototype to set the right proto on the global, instead …

…of JS_SetPrototype, since the latter will permanently deoptimize it.
servo · Aug 24, 2016 · 5341f85 · 5341f85
1 parent 3993fde
commit 5341f85
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/components/script/dom/bindings/codegen/CodegenRust.py b/components/script/dom/bindings/codegen/CodegenRust.py
@@ -2394,7 +2394,7 @@ def definition_body(self):
 let _ac = JSAutoCompartment::new(cx, obj.get());
 rooted!(in(cx) let mut proto = ptr::null_mut());
 GetProtoObject(cx, obj.handle(), proto.handle_mut());
-JS_SetPrototype(cx, obj.handle(), proto.handle());
+JS_SplicePrototype(cx, obj.handle(), proto.handle());
 
 %(copyUnforgeable)s
 
@@ -5530,7 +5530,7 @@ def __init__(self, config, prefix, webIDLFile):
             'js::jsapi::{JS_HasProperty, JS_HasPropertyById, JS_InitializePropertiesFromCompatibleNativeObject}',
             'js::jsapi::{JS_AtomizeAndPinString, JS_NewObject, JS_NewObjectWithGivenProto}',
             'js::jsapi::{JS_NewObjectWithoutMetadata, JS_SetProperty}',
-            'js::jsapi::{JS_SetPrototype, JS_SetReservedSlot, JSAutoCompartment}',
+            'js::jsapi::{JS_SplicePrototype, JS_SetReservedSlot, JSAutoCompartment}',
             'js::jsapi::{JSContext, JSClass, JSFreeOp, JSFunctionSpec}',
             'js::jsapi::{JSJitGetterCallArgs, JSJitInfo, JSJitMethodCallArgs, JSJitSetterCallArgs}',
             'js::jsapi::{JSNative, JSObject, JSNativeWrapper, JSPropertySpec}',