- Get rid of RawClosure class and use RawInstance for closures.

vm/stub_code_ia32.cc

Index: vm/stub_code_ia32.cc
===================================================================
--- vm/stub_code_ia32.cc	(revision 13487)
+++ vm/stub_code_ia32.cc	(working copy)
@@ -1376,7 +1376,7 @@
     uword tags = 0;
     tags = RawObject::SizeTag::update(closure_size, tags);
     tags = RawObject::ClassIdTag::update(cls.id(), tags);
-    __ movl(Address(EAX, Closure::tags_offset()), Immediate(tags));
+    __ movl(Address(EAX, Instance::tags_offset()), Immediate(tags));
 
     // Initialize the function field in the object.
     // EAX: new closure object.
@@ -1427,8 +1427,6 @@
     __ movl(EDX, Address(ESP, kTypeArgumentsOffset));
     __ movl(Address(EAX, Closure::type_arguments_offset()), EDX);
 
-    __ movl(Address(EAX, Closure::smrck_offset()), raw_null);
-
     // Done allocating and initializing the instance.
     // EAX: new object.
     __ addl(EAX, Immediate(kHeapObjectTag));