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 20bc4c4e9f23a6290ce3f9f251f3df0235408fc7..6b7da16ad560bc4eadf1f0ce09002bac9cac0cff 100644
--- a/src/bailout-reason.h
+++ b/src/bailout-reason.h
@@ -254,6 +254,7 @@ 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")                             \