Splitting DescriptorArray::CopyInsert into CopyInsert and CopyReplace.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 89d28099f69cf6595b364a4948e82057a7ea9b95..4cbf2bd75d5f73d871c89e0be423321254c1f444 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2569,6 +2569,9 @@ class DescriptorArray: public FixedArray {
   // If adding a real property, map transitions must be removed.  If adding
   // a transition, they must not be removed.  All null descriptors are removed.
   MUST_USE_RESULT MaybeObject* CopyInsert(Descriptor* descriptor);
+  MUST_USE_RESULT MaybeObject* CopyAdd(Descriptor* descriptor);
+  MUST_USE_RESULT MaybeObject* CopyReplace(
+      int insertion_index, Descriptor* descriptor);

[Michael Starzinger, 2012/07/12 13:17:42]

To me it seems more intuitive to switch those two arguments, first the
descriptor, then the insertion_index. But I'll leave the final decision up to
you.

Also can we have the linebreak after the "," to be consistent with the other
declarations.

 
   // Indicates whether the search function should expect a sorted or an unsorted
   // descriptor array as input.