[strong] More scoping related errors: object literal methods.

src/scopes.cc

Index: src/scopes.cc
diff --git a/src/scopes.cc b/src/scopes.cc
index 4374b7e6e4ebe51daafeb44316adaef5a7866caf..b8c357c47ec3ef30ea547493b60949aa93d9aaed 100644
--- a/src/scopes.cc
+++ b/src/scopes.cc
@@ -1157,6 +1157,7 @@ bool Scope::CheckStrongModeDeclaration(VariableProxy* proxy, Variable* var) {
 
 Variable* Scope::ClassVariableForMethod() const {
   if (!is_function_scope()) return nullptr;
+  if (IsInObjectLiteral(function_kind_)) return nullptr;
   if (!IsConciseMethod(function_kind_) && !IsConstructor(function_kind_) &&
       !IsAccessorFunction(function_kind_)) {
     return nullptr;