Merged: [compiler] Properly validate stable map assumption for globals.

src/bailout-reason.h

Index: src/bailout-reason.h
diff --git a/src/bailout-reason.h b/src/bailout-reason.h
index 0966334ffa4c6ee03b743515ab06a97f18823271..df47eb82b7c5796f8d5f55cce8c5b2f07fbf83fe 100644
--- a/src/bailout-reason.h
+++ b/src/bailout-reason.h
@@ -257,6 +257,7 @@ namespace internal {
   V(kUnexpectedReturnFromThrow, "Unexpectedly returned from a throw")          \
   V(kUnsupportedSwitchStatement, "Unsupported switch statement")               \
   V(kUnsupportedTaggedImmediate, "Unsupported tagged immediate")               \
+  V(kUnstableConstantTypeHeapObject, "Unstable constant-type heap object")     \
   V(kVariableResolvedToWithContext, "Variable resolved to with context")       \
   V(kWeShouldNotHaveAnEmptyLexicalContext,                                     \
     "We should not have an empty lexical context")                             \