Revert change to const and global variable declarations. It causes

test/mjsunit/regress/regress-1170.js

Index: test/mjsunit/regress/regress-1170.js
diff --git a/test/mjsunit/regress/regress-1170.js b/test/mjsunit/regress/regress-1170.js
deleted file mode 100644
index 090e22eb02109a4f2a2a66e9ef7a10517a0e32f2..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-1170.js
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2011 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-var setter_value = 0;
-
-__proto__.__defineSetter__("a", function(v) { setter_value = v; });
-eval("var a = 1");
-assertEquals(1, setter_value);
-assertFalse(hasOwnProperty("a"));
-
-__proto__.__defineSetter__("b", function(v) { setter_value = v; });
-eval("with({}) { eval('var b = 2') }");
-assertEquals(2, setter_value);
-assertFalse(hasOwnProperty("b"));
-
-__proto__.__defineSetter__("c", function(v) { assertTrue(false); });
-try {
-  eval("const c = 23");
-  assertTrue(false);
-} catch(e) {
-  assertTrue(/TypeError/.test(e));
-}
-try {
-  eval("with({}) { eval('const c = 23') }");
-  assertTrue(false);
-} catch(e) {
-  assertTrue(/TypeError/.test(e));
-}