v8/test/mjsunit/regress/wasm/regress-1046472.js
Andreas Haas 4e12eddda6 [wasm] Introduce <bot> type for unreachable br_table again
This CL implements the spec change done in
https://github.com/WebAssembly/reference-types/pull/116.

R=manoskouk@chromium.org

Bug: v8:10994
Change-Id: Ic2b4e0a52af225b5640447fe051a9c36e6d41be2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2534818
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71260}
2020-11-18 15:02:05 +00:00

34 lines
1.1 KiB
JavaScript

// Copyright 2020 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: --liftoff --no-wasm-tier-up --wasm-staging
load('test/mjsunit/wasm/wasm-module-builder.js');
(function() {
const builder = new WasmModuleBuilder();
builder.addMemory(16, 32, false);
builder.addType(makeSig([kWasmI32, kWasmI32, kWasmI32], [kWasmI32]));
// Generate function 1 (out of 1).
builder.addFunction(undefined, 0 /* sig */)
.addBodyWithEnd([
// signature: i_iii
// body:
kExprI32Const, 0x20,
kExprI64LoadMem, 0x00, 0xce, 0xf2, 0xff, 0x01,
kExprBlock, kWasmF32, // @9 f32
kExprI32Const, 0x04,
kExprI32Const, 0x01,
kExprBrTable, 0x01, 0x01, 0x00, // entries=1
kExprEnd, // @19
kExprUnreachable,
kExprEnd, // @21
]);
builder.addExport('main', 0);
assertThrows(
() => {builder.toModule()}, WebAssembly.CompileError,
'WebAssembly.Module(): Compiling function #0:\"main\" failed: ' +
'type error in merge[0] (expected <bot>, got i32) @+57');
})();