blob: 7be2323f9cdcb3ae1e284f6a3cd33b70021ad346 [file] [log] [blame]
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
var g = 0;
g = function() {}
function f() {
var r = /[abc]/i; // Optimized out.
g(r);
}
%PrepareFunctionForOptimization(f);
f(); f(); %OptimizeFunctionOnNextCall(f); // Warm-up.
var re;
g = function(r) { re = r; }
f(); // Lazy deopt is forced here.
assertNotEquals(undefined, re);
assertEquals("[abc]", re.source);
assertEquals("i", re.flags);
assertEquals(0, re.lastIndex);
assertArrayEquals(["a"], re.exec("a"));
assertArrayEquals(["A"], re.exec("A"));
assertNull(re.exec("d"));