Enable --harmony-trailing-commas

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 a3ee6bea045ad4c9a788922a1ed833f44b9c291e..f0a5b8ba611baf15ceaeec04e4b0ddfae619d112 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -1275,7 +1275,6 @@ enum ParserFlag {
   kAllowNatives,
   kAllowHarmonyFunctionSent,
   kAllowHarmonyRestrictiveGenerators,
-  kAllowHarmonyTrailingCommas,
   kAllowHarmonyClassFields,
   kAllowHarmonyObjectSpread,
 };
@@ -1291,7 +1290,6 @@ void SetGlobalFlags(i::EnumSet<ParserFlag> flags) {
   i::FLAG_harmony_function_sent = flags.Contains(kAllowHarmonyFunctionSent);
   i::FLAG_harmony_restrictive_generators =
       flags.Contains(kAllowHarmonyRestrictiveGenerators);
-  i::FLAG_harmony_trailing_commas = flags.Contains(kAllowHarmonyTrailingCommas);
   i::FLAG_harmony_class_fields = flags.Contains(kAllowHarmonyClassFields);
   i::FLAG_harmony_object_spread = flags.Contains(kAllowHarmonyObjectSpread);
 }
@@ -1302,8 +1300,6 @@ void SetParserFlags(i::PreParser* parser, i::EnumSet<ParserFlag> flags) {
       flags.Contains(kAllowHarmonyFunctionSent));
   parser->set_allow_harmony_restrictive_generators(
       flags.Contains(kAllowHarmonyRestrictiveGenerators));
-  parser->set_allow_harmony_trailing_commas(
-      flags.Contains(kAllowHarmonyTrailingCommas));
   parser->set_allow_harmony_class_fields(
       flags.Contains(kAllowHarmonyClassFields));
   parser->set_allow_harmony_object_spread(
@@ -8432,9 +8428,7 @@ TEST(TrailingCommasInParameters) {
   };
   // clang-format on
 
-  static const ParserFlag always_flags[] = {kAllowHarmonyTrailingCommas};
-  RunParserSyncTest(context_data, data, kSuccess, NULL, 0, always_flags,
-                    arraysize(always_flags));
+  RunParserSyncTest(context_data, data, kSuccess);
 }
 
 TEST(TrailingCommasInParametersErrors) {
@@ -8497,9 +8491,7 @@ TEST(TrailingCommasInParametersErrors) {
   };
   // clang-format on
 
-  static const ParserFlag always_flags[] = {kAllowHarmonyTrailingCommas};
-  RunParserSyncTest(context_data, data, kError, NULL, 0, always_flags,
-                    arraysize(always_flags));
+  RunParserSyncTest(context_data, data, kError);
 }
 
 TEST(ArgumentsRedeclaration) {