v8/test/mjsunit/regress/regress-599068-func-bindings.js
Mathias Bynens c6a16c10dd [test] Add %PrepareForOptimization to even more tests
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall,
ideally after declaring the function.

Bug: v8:8801, v8:8394, v8:9183
Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62119}
2019-06-12 14:40:14 +00:00

48 lines
1.2 KiB
JavaScript

// Copyright 2016 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
// Tests function bindings are correctly handled in ignition.
(function f() {
function assignSloppy() {
f = 0;
}
assertDoesNotThrow(assignSloppy);
function assignStrict() {
'use strict';
f = 0;
}
assertThrows(assignStrict, TypeError);
function assignStrictLookup() {
eval("'use strict'; f = 1;");
}
assertThrows(assignStrictLookup, TypeError);
})();
// Tests for compound assignments which are handled differently
// in crankshaft.
(function f() {
function assignSloppy() {
f += "x";
};
%PrepareFunctionForOptimization(assignSloppy);
assertDoesNotThrow(assignSloppy);
assertDoesNotThrow(assignSloppy);
%OptimizeFunctionOnNextCall(assignSloppy);
assertDoesNotThrow(assignSloppy);
function assignStrict() {
'use strict';
f += "x";
};
%PrepareFunctionForOptimization(assignStrict);
assertThrows(assignStrict, TypeError);
assertThrows(assignStrict, TypeError);
%OptimizeFunctionOnNextCall(assignStrict);
assertThrows(assignStrict, TypeError);
})();