5bdb13297f
We noticed that almost every call site were loading both files, the split isn't necessary anymore. In some message tests, removed the absolute line number to allow future changes. Bug: v8:8726 Change-Id: I8527f0a1ecfa685aa01a5e2f5f47ddf1cb13a545 Reviewed-on: https://chromium-review.googlesource.com/c/1446452 Commit-Queue: Sven Sauleau <ssauleau@igalia.com> Reviewed-by: Ben Titzer <titzer@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#59220}
34 lines
1.2 KiB
JavaScript
34 lines
1.2 KiB
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.
|
|
|
|
load('test/mjsunit/wasm/wasm-module-builder.js');
|
|
|
|
var name = 'regression_684858';
|
|
|
|
function patchNameLength(buffer) {
|
|
var count = 0;
|
|
var view = new Uint8Array(buffer);
|
|
for (var i = 0, e = view.length - name.length; i <= e; ++i) {
|
|
var subs = String.fromCharCode.apply(null, view.slice(i, i + name.length));
|
|
if (subs != name) continue;
|
|
++count;
|
|
// One byte before this name, its length is encoded.
|
|
// Patch this to 127, making it out of bounds.
|
|
if (view.length >= 127) throw Error('cannot patch reliably');
|
|
if (view[i - 1] != name.length) throw Error('unexpected length');
|
|
view[i - 1] = 0x7f;
|
|
}
|
|
if (count != 1) throw Error('did not find name');
|
|
}
|
|
|
|
var builder = new WasmModuleBuilder();
|
|
builder.addFunction(name, kSig_i_v)
|
|
.addBody([kExprI32Const, 2, kExprI32Const, 0, kExprI32DivU])
|
|
.exportAs('main');
|
|
var buffer = builder.toBuffer();
|
|
patchNameLength(buffer);
|
|
var module = new WebAssembly.Module(buffer);
|
|
var instance = new WebAssembly.Instance(module);
|
|
assertThrows(() => instance.exports.main(), WebAssembly.RuntimeError);
|