gold/testsuite/icf_test_pr21066.cc

   1 // icf_test.cc -- a test case for gold
   2
   3 // Copyright (C) 2009-2021 Free Software Foundation, Inc.
   4 // Test case from PR 21066 submitted by Gandhi Shaheen
   5
   6 // This file is part of gold.
   7
   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.
  12
  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.
  17
  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.
  22
  23 // The goal of this program is to verify if identical code folding
  24 // correctly identifies and folds functions.  folded_func must be
  25 // folded into kept_func.
  26
  27 // Written by Sriraman Tallam <tmsriram@google.com>.
  28
  29 #include <stdio.h>
  30
  31 struct first_exception {
  32 };
  33
  34 struct second_exception {
  35 };
  36
  37 typedef void (*callback_fn_t)();
  38
  39 void raise_first_exception()
  40 {
  41   throw first_exception();
  42 }
  43
  44 void raise_second_exception()
  45 {
  46   throw second_exception();
  47 }
  48
  49 template<typename E>
  50 void capture_exception_of_type(volatile callback_fn_t f)
  51 {
  52   try {
  53     f();
  54   } catch (E& e) {
  55     puts("caught expected exception");
  56   } catch (...) {
  57     puts("ERROR: caught unexpected exception");
  58     throw;
  59   }
  60 }
  61
  62 int main()
  63 {
  64   capture_exception_of_type<first_exception>(raise_first_exception);
  65   capture_exception_of_type<second_exception>(raise_second_exception);
  66   return 0;
  67 }