Fix off-by-one-pointer error in an ASSERT inside DeferredHandles::Iterate.

This will crash v8 in debug mode if the compilation prologue allocates
an exact multiple of kHandleBlockSize handles.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10689191

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/api.cc

@@ -6514,7 +6514,7 @@ void DeferredHandles::Iterate(ObjectVisitor* v) {
   ASSERT(!blocks_.is_empty());
 
   ASSERT((first_block_limit_ >= blocks_.first()) &&
-         (first_block_limit_ < &(blocks_.first())[kHandleBlockSize]));
+         (first_block_limit_ <= &(blocks_.first())[kHandleBlockSize]));
 
   v->VisitPointers(blocks_.first(), first_block_limit_);