Fully deserialize the scope chain after parsing, not before

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index 383d372770b9314e491038544fdaa1b963bfb735..7d38aab1f3db84d0a467e128259c8a24554ee359 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -3403,9 +3403,8 @@ TEST(SerializationOfMaybeAssignmentFlag) {
   CHECK(str->IsInternalizedString());
   i::DeclarationScope* script_scope =
       new (&zone) i::DeclarationScope(&zone, &avf);
-  i::Scope* s = i::Scope::DeserializeScopeChain(
-      isolate, &zone, context, script_scope, &avf,
-      i::Scope::DeserializationMode::kKeepScopeInfo);
+  i::Scope* s = i::Scope::DeserializeScopeChainForTesting(
+      isolate, &zone, context, script_scope, &avf);
   CHECK(s != script_scope);
   CHECK(name != NULL);
 
@@ -3451,9 +3450,8 @@ TEST(IfArgumentsArrayAccessedThenParametersMaybeAssigned) {
 
   i::DeclarationScope* script_scope =
       new (&zone) i::DeclarationScope(&zone, &avf);
-  i::Scope* s = i::Scope::DeserializeScopeChain(
-      isolate, &zone, context, script_scope, &avf,
-      i::Scope::DeserializationMode::kKeepScopeInfo);
+  i::Scope* s = i::Scope::DeserializeScopeChainForTesting(
+      isolate, &zone, context, script_scope, &avf);
   CHECK(s != script_scope);
   const i::AstRawString* name_x = avf.GetOneByteString("x");