disable some harmony scoping tests

test/cctest/test-decls.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 800 matching lines @@
     context.Check("'use strict'; let y2 = 5; 0;",
                   EXPECT_RESULT, Number::New(isolate, 0));
     context.Check(script1,
                   EXPECT_RESULT, Number::New(isolate, 4));
     context.Check(script2,
                   EXPECT_RESULT, Number::New(isolate, 5));
   }
 }
 
 
+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;
 
   v8::Isolate* isolate = CcTest::isolate();
   HandleScope scope(isolate);
   SimpleContext context;
 
   context.Check("'use strict';"
                 "let x = 1; x;",
@@ skipping 325 matching lines @@
   {
     SimpleContext context;
 
     context.Check("'use strict'; o; const o = 10", EXPECT_EXCEPTION);
 
     for (int i = 0; i < 100; i++) {
       context.Check("o.prototype", EXPECT_EXCEPTION);
     }
   }
 }