[strong] Fix scoping related errors for methods.

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index b0239b367cfd63ec6dd9c04bc03a9c5b6e462aff..09cf14c603aa1d980f16d94e7e23ac52a595de17 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -693,7 +693,8 @@ enum ScopeType {
   CATCH_SCOPE,     // The scope introduced by catch.
   BLOCK_SCOPE,     // The scope introduced by a new block.
   WITH_SCOPE,      // The scope introduced by with.
-  ARROW_SCOPE      // The top-level scope for an arrow function literal.
+  ARROW_SCOPE,     // The top-level scope for an arrow function literal.
+  CLASS_SCOPE      // The top-level scope for a class.
 };
 
 // The mips architecture prior to revision 5 has inverted encoding for sNaN.