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

28 lines
657 B
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* g(x) {
yield x+4;
}
%NeverOptimizeFunction(g);
function* f(x) {
yield* g(x);
yield* g(5);
}
%PrepareFunctionForOptimization(f);
let gen = f(4);
assertEquals(8, gen.next().value);
assertEquals(9, gen.next().value);
assertEquals(undefined, gen.next().value);
%OptimizeFunctionOnNextCall(f);
gen = f(4);
assertEquals(8, gen.next().value);
assertEquals(9, gen.next().value);
assertEquals(undefined, gen.next().value);