Set GVN ChangesNewSpacePromotion for OSR Entry.

BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/18752002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-instructions.h

@@ -4718,6 +4718,7 @@ class HOsrEntry: public HTemplateInstruction<0> {
  public:
   explicit HOsrEntry(BailoutId ast_id) : ast_id_(ast_id) {
     SetGVNFlag(kChangesOsrEntries);
+    SetGVNFlag(kChangesNewSpacePromotion);
   }
 
   BailoutId ast_id() const { return ast_id_; }