Make global variable initialization consistent with Firefox and Safari...

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 516 matching lines @@
   { ExistsInPrototypeContext context;
     context.Check("this.x = 87; this.x",
                   0,
                   0,
                   0,
                   EXPECT_RESULT, Number::New(87));
   }
 
   { ExistsInPrototypeContext context;
     context.Check("var x; x",
-                  0,
+                  1,  // get
                   0,
                   1,  // declaration
-                  EXPECT_RESULT, Undefined());
+                  EXPECT_EXCEPTION);
   }
 
   { ExistsInPrototypeContext context;
     context.Check("var x = 0; x",
                   0,
                   0,
                   1,  // declaration
                   EXPECT_RESULT, Number::New(0));
   }
 
@@ skipping 34 matching lines @@
   HandleScope scope;
 
   { AbsentInPrototypeContext context;
     context.Check("if (false) { var x = 0; }; x",
                   0,
                   0,
                   1,  // declaration
                   EXPECT_RESULT, Undefined());
   }
 }