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// Copyright 2016 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: --mark-shared-functions-for-tier-up --allow-natives-syntax --expose-gc
function foo() {
function bar() {};
%PrepareFunctionForOptimization(bar);
return bar;
}
// Mark bar's shared function info for tier-up
// (but don't optimize).
;
%PrepareFunctionForOptimization(foo);
var bar = foo();
%OptimizeFunctionOnNextCall(bar);
// Avoid flushing foo (and thereby making bar's shared function info
// dead) by marking it to be optimized.
%OptimizeFunctionOnNextCall(foo);
// Throw away the JSFunction we have for bar and GC until its code has
// been flushed.
bar = null;
for (var i = 0; i < 6; i++) {
gc();
}
// Now create a new JSFunction from bar's shared function info and call it,
// we should not optimize without recompiling the baseline code.
foo()();
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