v8/test/debugger/regress/regress-7421.js
Yang Guo 7d9ad5a69e [debug] do not leak optimized code into no-side-effect evaluate.
R=bmeurer@chromium.org

Bug: v8:7421
Change-Id: Iacdd8d294c02b7feb72e3a0bb397930e91197ae7
Reviewed-on: https://chromium-review.googlesource.com/926124
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51391}
2018-02-20 11:22:32 +00:00

79 lines
1.7 KiB
JavaScript

// Copyright 2018 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: --block-concurrent-recompilation
Debug = debug.Debug
// Test that the side-effect check is not bypassed in optimized code.
var exception = null;
var counter = 0;
function f1() {
counter++;
}
function wrapper1() {
for (var i = 0; i < 4; i++) {
// Get this function optimized before calling to increment.
// Check that that call performs the necessary side-effect checks.
%OptimizeOsr();
}
f1();
}
function f2() {
counter++;
}
function wrapper2(call) {
if (call) f2();
}
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
function success(expectation, source) {
assertEquals(expectation,
exec_state.frame(0).evaluate(source, true).value());
}
function fail(source) {
assertThrows(() => exec_state.frame(0).evaluate(source, true),
EvalError);
}
wrapper1();
wrapper1();
fail("wrapper1()");
wrapper2(true);
wrapper2(false);
wrapper2(true);
%OptimizeFunctionOnNextCall(wrapper2);
wrapper2(false);
fail("wrapper2(true)");
fail("%OptimizeFunctionOnNextCall(wrapper2); wrapper2(true)");
%OptimizeFunctionOnNextCall(wrapper2, "concurrent");
wrapper2(false);
fail("%UnblockConcurrentRecompilation();" +
"%GetOptimizationStatus(wrapper2, 'sync');" +
"wrapper2(true);");
} catch (e) {
exception = e;
print(e, e.stack);
}
};
// Add the debug event listener.
Debug.setListener(listener);
function f() {
debugger;
};
f();
assertNull(exception);