gcc/testsuite/g++.dg/pr61094.C

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3" }  */
   3
   4 template <typename> struct A {
   5   unsigned _width, _height, _depth, _spectrum;
   6   template <typename t> A(t p1) {
   7     int a = p1.size();
   8     if (a) {
   9       _width = p1._width;
  10       _depth = _height = _spectrum = p1._spectrum;
  11     }
  12   }
  13   long size() { return (long)_width * _height * _depth * _spectrum; }
  14 };
  15
  16 int d;
  17 void fn1(void *);
  18 A<int> *fn2();
  19 void fn3() {
  20   int b;
  21   for (;;) {
  22     A<char> c(*fn2());
  23     fn1(&c);
  24     if (d || !b)
  25       throw;
  26   }
  27 }
  28
  29
  30
  31