Add icf_virtual_function_folding_test to check_PROGRAMS.
[binutils/dougsmingw.git] / gold / testsuite / icf_virtual_function_folding_test.cc
blob80f96ef5294baf2473b33bc422c2f2f74d873912
1 // icf_virtual_function_folding_test.cc -- a test case for gold
3 // Copyright 2010 Free Software Foundation, Inc.
4 // Written by Sriraman Tallam <tmsriram@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
23 // Foo::fn1 is folded into fn2 with ICF. Since this file is linked as a
24 // position independent executable, a dynamic reloc is needed
25 // for the virtual call fn1 entry in the vtable. This test makes sure
26 // the call to Foo::fn1 works correctly after the folding.
28 #include <stdio.h>
30 int fn2(void *)
32 printf("fn1==fn2\n");
33 return 0xA;
36 namespace
39 class Bar
41 public:
42 virtual int fn1();
45 int Bar::fn1()
47 return 123;
50 class Foo : public Bar
52 virtual int fn1();
55 int Foo::fn1()
57 printf("fn1==fn2\n");
58 return 0xA;
61 Bar* get()
63 Bar *f = new Foo();
64 return f;
67 } // end of anonymous namespace.
69 int main()
71 Bar *f = get();
72 f->fn1();
73 return 0;