v8/test/mjsunit/function-caller.js
ishell e519e6fadf [es6] Further fixing of tail Calls.
1) Update profiling counters in Full codegen.
2) Call Runtime::kTraceTailCall when tracing is on

test/mjsunit/es6/tail-call-simple.js is disabled for now, because Turbofan does not fully support TCO yet.

BUG=v8:4698
LOG=N

Review URL: https://codereview.chromium.org/1670133002

Cr-Commit-Position: refs/heads/master@{#33886}
2016-02-11 10:27:10 +00:00

57 lines
2.1 KiB
JavaScript

// 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.
function f(match) {
g(match);
}
function g(match) {
assertEquals(f, g.caller);
assertEquals(match, f.caller);
}
// Check called from function.
function h() {
f(h);
}
h();
// Check called from top-level.
f(null);
// Check called from eval.
eval('f(null)');
// Check called from strict builtin functions.
// [null, null].sort(f); // Does not work because sort tail calls.
[null].forEach(f, null);
// Check called from sloppy builtin functions.
"abel".replace(/b/g, function h() {
assertEquals(String.prototype.replace, h.caller);
});