[Truffle] Add missing guard in LookupMethodNode.

jruby · Jun 26, 2015 · ef551ca · ef551ca
1 parent 9883ced
commit ef551ca
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/dispatch/LookupMethodNode.java b/truffle/src/main/java/org/jruby/truffle/nodes/dispatch/LookupMethodNode.java
@@ -40,11 +40,15 @@ public LookupMethodNode(RubyContext context, SourceSection sourceSection) {
     public abstract InternalMethod executeLookupMethod(VirtualFrame frame, Object self, String name);
 
     @Specialization(
-            guards = "metaClass(frame, self) == selfMetaClass",
+            guards = {
+                    "metaClass(frame, self) == selfMetaClass",
+                    "name == cachedName"
+            },
             assumptions = "selfMetaClass.getUnmodifiedAssumption()",
             limit = "getCacheLimit()")
     protected InternalMethod lookupMethodCached(VirtualFrame frame, Object self, String name,
             @Cached("metaClass(frame, self)") RubyClass selfMetaClass,
+            @Cached("name") String cachedName,
             @Cached("doLookup(selfMetaClass, name)") InternalMethod method) {
         return method;
     }