Fixing a subtle bug in receiver resolution when a thrown and caught function ...

src/objects-inl.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 330 matching lines @@
 
 
 bool Object::IsDescriptorArray() {
   return IsFixedArray();
 }
 
 
 bool Object::IsContext() {
   return Object::IsHeapObject()
     && (HeapObject::cast(this)->map() == Heap::context_map() ||
+        HeapObject::cast(this)->map() == Heap::catch_context_map() ||
         HeapObject::cast(this)->map() == Heap::global_context_map());
 }
 
 
+bool Object::IsCatchContext() {
+  return Object::IsHeapObject()
+    && HeapObject::cast(this)->map() == Heap::catch_context_map();
+}
+
+
 bool Object::IsGlobalContext() {
   return Object::IsHeapObject()
     && HeapObject::cast(this)->map() == Heap::global_context_map();
 }
 
 
 bool Object::IsJSFunction() {
   return Object::IsHeapObject()
     && HeapObject::cast(this)->map()->instance_type() == JS_FUNCTION_TYPE;
 }
@@ skipping 2114 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_