- Pass the knowledge whether the old GC is compacting to the GC prologue and ...

src/macro-assembler-arm.cc

Index: src/macro-assembler-arm.cc
===================================================================
--- src/macro-assembler-arm.cc	(revision 1355)
+++ src/macro-assembler-arm.cc	(working copy)
@@ -43,7 +43,8 @@
     : Assembler(buffer, size),
       unresolved_(0),
       generating_stub_(false),
-      allow_stub_calls_(true) {
+      allow_stub_calls_(true),
+      code_object_(Heap::undefined_value()) {
 }
 
 
@@ -270,8 +271,8 @@
   stm(db_w, sp, cp.bit() | fp.bit() | lr.bit());
   mov(ip, Operand(Smi::FromInt(type)));
   push(ip);
-  mov(ip, Operand(0));
-  push(ip);  // Push an empty code cache slot.
+  mov(ip, Operand(CodeObject()));
+  push(ip);
   add(fp, sp, Operand(3 * kPointerSize));  // Adjust FP to point to saved FP.
 }