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

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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 f(a, b) {
try {
return a + b;
} catch(_) {
return b;
}
}
%PrepareFunctionForOptimization(f);
assertEquals(3n, f(1n, 2n));
%OptimizeFunctionOnNextCall(f);
assertEquals(3n, f(1n, 2n));
assertOptimized(f);
// Triggering exception by mixing int and bigint, which will lazy deopt the
// function, since the catch block had never been used so far.
assertEquals(2n, f(1, 2n));