v8/test/mjsunit/compiler/regress-966560-2.js
Georg Neis 72fbd957bd [turbofan] Fix serialization of resumables
This is a quick fix for the recent bailout-on-uninitialized feature of
the serializer, which does not work with resumables. For now, simply
treat the ResumeGenerator bytecode as if it was an exception handler
entry point. I want to revisit this later because the proper fix might
be to teach the serializer about the SwitchOnGeneratorState bytecode.

Bug: chromium:966560, v8:7790
Change-Id: I48bc6ba7299faa29802159cc7c36f4629667b5d8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1630670
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61877}
2019-05-28 09:30:23 +00:00

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JavaScript

// Copyright 2019 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: --allow-natives-syntax
function* get() {
for (let x of [1,2,3]) {
yield;
get = [];
}
}
%OptimizeFunctionOnNextCall(get);
get();