Use ReadCallerFrameNode in ModuleNodes#instance_method to support refinements

Author: ssnickolay

src/main/java/org/truffleruby/core/module/ModuleNodes.java

@@ -1836,16 +1836,17 @@ protected RubyArray instanceMethods(RubyModule module, boolean includeAncestors)
     @NodeChild(value = "module", type = RubyNode.class)
     @NodeChild(value = "name", type = RubyNode.class)
     public abstract static class InstanceMethodNode extends CoreMethodNode {
+        @Child private ReadCallerFrameNode readCallerFrame = ReadCallerFrameNode.create();
 
         @CreateCast("name")
         protected RubyNode coerceToString(RubyNode name) {
             return NameToJavaStringNode.create(name);
         }
 
         @Specialization
-        protected RubyUnboundMethod instanceMethod(RubyModule module, String name,
+        protected RubyUnboundMethod instanceMethod(VirtualFrame frame, RubyModule module, String name,
                 @Cached BranchProfile errorProfile) {
-            final Frame callerFrame = getContext().getCallStack().getCallerFrameIgnoringSend(FrameAccess.READ_ONLY);
+            final Frame callerFrame = readCallerFrame.execute(frame);
             final DeclarationContext declarationContext = RubyArguments.getDeclarationContext(callerFrame);
 
             // TODO(CS, 11-Jan-15) cache this lookup

src/main/java/org/truffleruby/language/methods/GetMethodObjectNode.java

@@ -56,7 +56,10 @@ protected abstract RubyMethod execute(Frame frame, Object self, Object name,
             DispatchConfiguration dispatchConfig, MaterializedFrame callerFrame);
 
     @Specialization
-    protected RubyMethod getMethodObject(Frame frame, Object self, Object name,
+    protected RubyMethod getMethodObject(
+            Frame frame,
+            Object self,
+            Object name,
             DispatchConfiguration dispatchConfig,
             MaterializedFrame callerFrame,
             @CachedContext(RubyLanguage.class) RubyContext context,