v8/test/mjsunit/compiler/osr-block-scope-func.js

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// 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.
// Flags: --allow-natives-syntax --use-osr --turbo-osr
"use strict";
function foo() {
var result;
{
let sum = 0;
for (var i = 0; i < 100; i++) {
if (i == 50) %OptimizeOsr();
sum += i;
}
result = ret;
function ret() {
return sum;
}
}
return result;
}
assertEquals(4950, foo()());
assertEquals(4950, foo()());
assertEquals(4950, foo()());