gcc/testsuite/g++.dg/tree-ssa/pr17517.C

   1 // Test PR 17517.  Test case provided by Serge Belyshev.
   2
   3  /* { dg-do compile } */
   4  /* { dg-options "-O2" } */
   5
   6
   7 extern void foo ();
   8
   9 struct Ptr {
  10   int * ptr;
  11   Ptr () { ptr = 0; }
  12   ~Ptr() { delete ptr; }
  13   Ptr &operator= (int * p) { ptr = p; return *this; }
  14 };
  15
  16 int *new_checker () { foo (); return 0; }
  17
  18 void pipe (int c)
  19 {
  20   Ptr checker;
  21
  22   foo ();
  23   for (;;)
  24     {
  25     switch (c)
  26       {
  27     case '-':
  28       checker = new_checker ();
  29       break;
  30       }
  31     }
  32 }