// 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 dematerialized_heap_number(n) { let f64 = 17.72; if (n < 0) { // We won't execute this code when collecting feedback, which means that // Maglev will do an unconditional deopt here (and {f64} will thus have no // use besides the frame state for this deopt). return f64 + 5; } return n + 2; } %PrepareFunctionForOptimization(dematerialized_heap_number); assertEquals(7, dematerialized_heap_number(5)); %OptimizeFunctionOnNextCall(dematerialized_heap_number); assertEquals(7, dematerialized_heap_number(5)); assertEquals(22.72, dematerialized_heap_number(-1));