[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/v8globals.h

Index: src/v8globals.h
diff --git a/src/v8globals.h b/src/v8globals.h
index 59c8d6956dabfc7caf8fb79b1f286f567be50b37..e1f52c503b37cae05351ee6f641cb44a5e382b3e 100644
--- a/src/v8globals.h
+++ b/src/v8globals.h
@@ -82,6 +82,7 @@ const uint64_t kDebugZapValue = 0xbadbaddbbadbaddb;
 const Address kZapValue = reinterpret_cast<Address>(0xdeadbeed);
 const Address kHandleZapValue = reinterpret_cast<Address>(0xbaddead);
 const Address kFromSpaceZapValue = reinterpret_cast<Address>(0xbeefdad);
+const uint32_t kSlotsZapValue = 0xbeefdeed;
 const uint32_t kDebugZapValue = 0xbadbaddb;
 #endif
 
@@ -285,6 +286,14 @@ enum InlineCacheState {
 };
 
 
+enum CheckType {
+  RECEIVER_MAP_CHECK,
+  STRING_CHECK,
+  NUMBER_CHECK,
+  BOOLEAN_CHECK
+};
+
+
 enum InLoopFlag {
   NOT_IN_LOOP,
   IN_LOOP