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32 lines
577 B
32 lines
577 B
/*
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* Copyright (c) 2017-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import javax.annotation.concurrent.ThreadSafe;
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@ThreadSafe
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class Alias{
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A a,b;
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public void foo() {
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int x;
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synchronized(this){
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a = b;
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a.f = 101;
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}
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x = b.f; // may_alias
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}
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public void bar(A a,A b) {
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int x;
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synchronized(this){
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a.f = 101;
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}
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x = b.f; // no may_alias needed, argument treatment suffices
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}
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}
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class A { int f = 0; }
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