v8/test/mjsunit/compiler/regress-713367.js
Tobias Tebbi f431b597bf [turbofan] escape analysis: patch for wrong deopt info
Bug: chromium:713367
Change-Id: I3f5960f5b2da22c6468ca5a5ea9dc847b30c7fc7
Reviewed-on: https://chromium-review.googlesource.com/486360
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44862}
2017-04-25 14:20:57 +00:00

31 lines
748 B
JavaScript

// 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 --turbo --turbo-escape
var mp = Object.getPrototypeOf(0);
function getRandomProperty(v) {
var properties;
if (mp) { properties = Object.getOwnPropertyNames(mp); }
if (properties.includes("constructor") && v.constructor.hasOwnProperty()) {; }
if (properties.length == 0) { return "0"; }
return properties[NaN];
}
var c = 0;
function f() {
c++;
if (c === 3) %OptimizeFunctionOnNextCall(f);
if (c > 4) throw 42;
for (var x of ["x"]) {
getRandomProperty(0) ;
f();
%_DeoptimizeNow();
}
}
assertThrowsEquals(f, 42);