From: bmeurer@chromium.org <bmeurer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Fri, 14 Feb 2014 12:34:28 +0000 (+0000)
Subject: Handle the uninitialized oddball in Type::LubBitset().
X-Git-Tag: upstream/4.7.83~10710
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3841070294bc2664372c51f762f6fca1decdf207;p=platform%2Fupstream%2Fv8.git

Handle the uninitialized oddball in Type::LubBitset().

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/166203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19378 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/types.cc b/src/types.cc
index 7867899..3840e6f 100644
--- a/src/types.cc
+++ b/src/types.cc
@@ -164,6 +164,7 @@ int TypeImpl<Config>::LubBitset(i::Object* value) {
     if (value->IsNull()) return kNull;
     if (value->IsBoolean()) return kBoolean;
     if (value->IsTheHole()) return kAny;  // TODO(rossberg): kNone?
+    if (value->IsUninitialized()) return kNone;
     UNREACHABLE();
   }
   return LubBitset(map);