Implement proper map checks of captured objects.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index f3f8b50113890e43f82e320885f58da24fb83a3f..a658a3f3c2f47c02a93b4e43c48eae428d3bf6de 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -5125,18 +5125,18 @@ void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
 }
 
 
-void LCodeGen::DoCheckFunction(LCheckFunction* instr) {
+void LCodeGen::DoCheckValue(LCheckValue* instr) {
   Register reg = ToRegister(instr->value());
-  Handle<JSFunction> target = instr->hydrogen()->target();
+  Handle<HeapObject> object = instr->hydrogen()->object();
   AllowDeferredHandleDereference smi_check;
-  if (isolate()->heap()->InNewSpace(*target)) {
+  if (isolate()->heap()->InNewSpace(*object)) {
     Register reg = ToRegister(instr->value());
-    Handle<Cell> cell = isolate()->factory()->NewCell(target);
+    Handle<Cell> cell = isolate()->factory()->NewCell(object);
     __ mov(ip, Operand(Handle<Object>(cell)));
     __ ldr(ip, FieldMemOperand(ip, Cell::kValueOffset));
     __ cmp(reg, ip);
   } else {
-    __ cmp(reg, Operand(target));
+    __ cmp(reg, Operand(object));
   }
   DeoptimizeIf(ne, instr->environment());
 }