michael@0: // -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: var x = 42;
michael@0: function a() { 
michael@0:     var x;
michael@0:     function b() {
michael@0:         x = 43;
michael@0:         // When jsparse.cpp's CompExprTransplanter transplants the
michael@0:         // comprehension expression 'x' into the scope of the 'for' loop,
michael@0:         // it must not bring the placeholder definition node for the
michael@0:         // assignment to x above along with it. If it does, x won't appear
michael@0:         // in b's lexdeps, we'll never find out that the assignment refers
michael@0:         // to a's x, and we'll generate an assignment to the global x.
michael@0:         (x for (x in []));
michael@0:     }
michael@0:     b();
michael@0: }
michael@0: a();
michael@0: assertEq(x, 42);
michael@0: 
michael@0: reportCompare(true, true);