v8/test/mjsunit/ignition/elided-instruction.js
rmcilroy c2c2d8e69c [Interpreter]: Unskip some tests which pass with --ignition and group other failures.
Some tests which fail with '--ignition --turbo --turbo-from-bytecode' pass with
just '--ignition'. Unskip these tests. Also group other tests with related
bugs.

BUG=v8:4680
LOG=N

Review-Url: https://codereview.chromium.org/1944413002
Cr-Commit-Position: refs/heads/master@{#36083}
2016-05-06 14:04:37 +00:00

42 lines
1.3 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: --ignition --expose-debug-as debug
Debug = debug.Debug
var exception = null;
var break_count = 0;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
print(event_data.sourceLineText());
var column = event_data.sourceColumn();
assertTrue(event_data.sourceLineText().indexOf(
`Break ${break_count++}. ${column}.`) > 0);
exec_state.prepareStep(Debug.StepAction.StepIn);
} catch (e) {
print(e + e.stack);
exception = e;
}
};
function f() {
var a = 1; // Break 2. 10.
// This return statement emits no bytecode instruction for the evaluation of
// the to-be-returned expression. Therefore we cannot set a break location
// before the statement and a second break location immediately before
// returning to the caller.
return a;
} // Break 3. 0.
Debug.setListener(listener);
debugger; // Break 0. 0.
f(); // Break 1. 0.
Debug.setListener(null); // Break 4. 0.
assertNull(exception);
assertEquals(5, break_count);