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Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/generator-throw.js
2026-05-26 23:36:42 -07:00

28 lines
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JavaScript

// Copyright 2024 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 --turbolev --turbofan
function* foo() {
try {
yield 42;
} catch (e) {
return 14;
}
}
%PrepareFunctionForOptimization(foo);
let gen = foo();
assertEquals(42, gen.next().value);
assertEquals(14, gen.throw().value);
assertEquals(25, gen.return(25).value);
assertEquals(undefined, gen.next().value);
%OptimizeFunctionOnNextCall(foo);
gen = foo();
assertEquals(42, gen.next().value);
assertEquals(14, gen.throw().value);
assertEquals(25, gen.return(25).value);
assertEquals(undefined, gen.next().value);