// icf_safe_test.cc -- a test case for gold // Copyright (C) 2009-2019 Free Software Foundation, Inc. // Written by Sriraman Tallam . // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. // The goal of this program is to verify if identical code folding // in safe mode correctly folds only ctors and dtors. kept_func_1 must // not be folded into kept_func_2 other than for X86 (32 and 64 bit) // which can use relocation types to determine if function pointers are // taken. kept_func_3 should never be folded as its pointer is taken. // The ctor and dtor of class A must be folded. class A { public: A() { } ~A() { } }; A a; int kept_func_1() { return 1; } int kept_func_2() { return 1; } int kept_func_3() { return 1; } int main() { int (*p)() = kept_func_3; p(); return 0; }