Move V8 to external/v8

Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/test/mjsunit/global-const-var-conflicts.js b/test/mjsunit/global-const-var-conflicts.js
new file mode 100644
index 0000000..d38d0ee
--- /dev/null
+++ b/test/mjsunit/global-const-var-conflicts.js
@@ -0,0 +1,57 @@
+// Copyright 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
+//       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.
+
+// Check that dynamically introducing conflicting consts/vars
+// leads to exceptions.
+
+var caught = 0;
+
+eval("const a");
+try { eval("var a"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertTrue(typeof a == 'undefined');
+try { eval("var a = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertTrue(typeof a == 'undefined');
+
+eval("const b = 0");
+try { eval("var b"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertEquals(0, b);
+try { eval("var b = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertEquals(0, b);
+
+eval("var c");
+try { eval("const c"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertTrue(typeof c == 'undefined');
+try { eval("const c = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertTrue(typeof c == 'undefined');
+
+eval("var d = 0");
+try { eval("const d"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertEquals(0, d);
+try { eval("const d = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
+assertEquals(0, d);
+
+assertEquals(8, caught);