disable some harmony scoping tests

R=verwaest@chromium.org

BUG=v8:3914
LOG=N

Review URL: https://codereview.chromium.org/914333002

Cr-Commit-Position: refs/heads/master@{#26794}

test/cctest/cctest.status

@@ -98,6 +98,11 @@
   # TODO(jochen): Reenable after we removed the CHECK() from the marking queue.
   'test-mark-compact/MarkingDeque': [SKIP],
 
+  # BUG(3914).
+  'test-decls/CrossScriptStaticLookupUndeclared': [SKIP],
+  'test-decls/CrossScriptReferencesHarmony': [SKIP],
+  'test-decls/CrossScriptReferencesHarmonyRegress': [SKIP],
+
   ############################################################################
   # Slow tests.
   'test-api/Threading1': [PASS, ['mode == debug', SLOW]],

test/cctest/test-decls.cc

@@ -818,6 +818,26 @@ TEST(CrossScriptReferencesHarmony) {
 }
 
 
+TEST(CrossScriptReferencesHarmonyRegress) {
+  i::FLAG_harmony_scoping = true;
+  v8::Isolate* isolate = CcTest::isolate();
+  HandleScope scope(isolate);
+  SimpleContext context;
+  context.Check(
+      "'use strict';"
+      "function i1() { "
+      "  let y = 10; return (typeof x2 === 'undefined' ? 0 : 2) + y"
+      "}"
+      "i1();"
+      "i1();",
+      EXPECT_RESULT, Number::New(isolate, 10));
+  context.Check(
+      "'use strict';"
+      "let x2 = 2; i1();",
+      EXPECT_RESULT, Number::New(isolate, 12));
+}
+
+
 TEST(GlobalLexicalOSR) {
   i::FLAG_use_strict = true;
   i::FLAG_harmony_scoping = true;