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Kmake/deps/v8/test/mjsunit/const-tracking-let-repl-initialize.js
2026-05-26 23:36:42 -07:00

20 lines
630 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: --const-tracking-let --allow-natives-syntax
// Flags: --turbofan --no-always-turbofan --maglev --no-stress-maglev
// Flags: --sparkplug --no-always-sparkplug
%RuntimeEvaluateREPL('let y = 42;');
%RuntimeEvaluateREPL('function foo() { return y; }');
%PrepareFunctionForOptimization(foo);
foo();
// This will assert that the value initialization was tracked correctly.
%OptimizeFunctionOnNextCall(foo);
assertEquals(42, foo());
assertOptimized(foo);