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72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
// icf_virtual_function_folding_test.cc -- a test case for gold
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// Copyright (C) 2010-2021 Free Software Foundation, Inc.
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// Written by Sriraman Tallam <tmsriram@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// Foo::fn1 is folded into fn2 with ICF. Since this file is linked as a
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// position independent executable, a dynamic reloc is needed
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// for the virtual call fn1 entry in the vtable. This test makes sure
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// the call to Foo::fn1 works correctly after the folding.
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int fn2(void *)
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{
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return 0xA;
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}
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namespace
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{
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class Bar
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{
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public:
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virtual ~Bar() { }
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virtual int fn1();
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};
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int Bar::fn1()
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{
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return 123;
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}
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class Foo : public Bar
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{
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virtual int fn1();
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};
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int Foo::fn1()
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{
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return 0xA;
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}
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Bar* get()
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{
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Bar *f = new Foo();
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return f;
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}
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} // end of anonymous namespace.
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int main()
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{
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Bar *f = get();
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f->fn1();
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return 0;
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}
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