Merge old data and pointer space.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 6e9f3f2f2c6be38ba7df36ebe0259a6842b4a595..3494f697a771ad7f533660db76cb42310ebe9510 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1209,31 +1209,15 @@ ExternalReference ExternalReference::new_space_allocation_limit_address(
 }
 
 
-ExternalReference ExternalReference::old_pointer_space_allocation_top_address(
+ExternalReference ExternalReference::old_space_allocation_top_address(
     Isolate* isolate) {
-  return ExternalReference(
-      isolate->heap()->OldPointerSpaceAllocationTopAddress());
-}
-
-
-ExternalReference ExternalReference::old_pointer_space_allocation_limit_address(
-    Isolate* isolate) {
-  return ExternalReference(
-      isolate->heap()->OldPointerSpaceAllocationLimitAddress());
+  return ExternalReference(isolate->heap()->OldSpaceAllocationTopAddress());
 }
 
 
-ExternalReference ExternalReference::old_data_space_allocation_top_address(
+ExternalReference ExternalReference::old_space_allocation_limit_address(
     Isolate* isolate) {
-  return ExternalReference(
-      isolate->heap()->OldDataSpaceAllocationTopAddress());
-}
-
-
-ExternalReference ExternalReference::old_data_space_allocation_limit_address(
-    Isolate* isolate) {
-  return ExternalReference(
-      isolate->heap()->OldDataSpaceAllocationLimitAddress());
+  return ExternalReference(isolate->heap()->OldSpaceAllocationLimitAddress());
 }