[compiler] Consistently use Ignition+TurboFan for lexical variables.

src/bailout-reason.h

Index: src/bailout-reason.h
diff --git a/src/bailout-reason.h b/src/bailout-reason.h
index 4992796376f57857a69c86a8fc41d7a48bd32cf7..26355d72de876a19aba2f2a203897f5590c50258 100644
--- a/src/bailout-reason.h
+++ b/src/bailout-reason.h
@@ -173,6 +173,7 @@ namespace internal {
   V(kReceivedInvalidReturnAddress, "Received invalid return address")          \
   V(kReferenceToAVariableWhichRequiresDynamicLookup,                           \
     "Reference to a variable which requires dynamic lookup")                   \
+  V(kReferenceToLetOrConstVariable, "Reference to let or const variable")      \
   V(kReferenceToGlobalLexicalVariable, "Reference to global lexical variable") \
   V(kReferenceToModuleVariable, "Reference to module-allocated variable")      \
   V(kReferenceToUninitializedVariable, "Reference to uninitialized variable")  \