v8/test/debugger/debug/es6/default-parameters-debug.js
leszeks a2e2a39ff1 Revert of [ignition/turbo] Perform liveness analysis on the bytecodes (patchset #17 id:320001 of https://codereview.chromium.org/2523893003/ )
Reason for revert:
Breaks the build:

https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20shared/builds/14886

Original issue's description:
> [ignition/turbo] Perform liveness analysis on the bytecodes
>
> Replaces the graph-based liveness analyzer in the bytecode graph builder
> with an initial bytecode-based liveness analysis pass, which is added to
> the existing loop extent analysis.
>
> Now the StateValues in the graph have their inputs initialised to
> optimized_out, rather than being modified after the graph is built.
>
> Committed: https://crrev.com/1852300954c216c29cf93444430681d213e87925
> Cr-Commit-Position: refs/heads/master@{#41344}

TBR=jarin@chromium.org,rmcilroy@chromium.org,yangguo@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2541443002
Cr-Commit-Position: refs/heads/master@{#41346}
2016-11-29 10:51:45 +00:00

53 lines
1.8 KiB
JavaScript

// Copyright 2015 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.
Debug = debug.Debug
listenerComplete = false;
breakPointCount = 0;
exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
breakPointCount++;
if (breakPointCount == 1) {
// Break point in initializer for parameter `a`, invoked by
// initializer for parameter `b`
assertEquals('default', exec_state.frame(0).evaluate('mode').value());
assertTrue(exec_state.frame(1).evaluate('b').isUndefined());
assertTrue(exec_state.frame(1).evaluate('c').isUndefined());
} else if (breakPointCount == 2) {
// Break point in IIFE initializer for parameter `c`
assertEquals('modeFn', exec_state.frame(1).evaluate('a.name').value());
assertEquals('default', exec_state.frame(1).evaluate('b').value());
assertTrue(exec_state.frame(1).evaluate('c').isUndefined());
} else if (breakPointCount == 3) {
// Break point in function body --- `c` parameter is shadowed
assertEquals('modeFn', exec_state.frame(0).evaluate('a.name').value());
assertEquals('default', exec_state.frame(0).evaluate('b').value());
assertEquals('local', exec_state.frame(0).evaluate('d').value());
}
} catch (e) {
exception = e;
}
};
// Add the debug event listener.
Debug.setListener(listener);
function f(a = function modeFn(mode) { debugger; return mode; },
b = a("default"),
c = (function() { debugger; })()) {
var d = 'local';
debugger;
};
f();
// Make sure that the debug event listener vas invoked.
assertEquals(3, breakPointCount);
assertNull(exception);