gcc/testsuite/gcc.c-torture/execute/20131127-1.c

   1 /* PR middle-end/59138 */
   2 /* Testcase by John Regehr <regehr@cs.utah.edu> */
   3
   4 extern void abort (void);
   5
   6 #pragma pack(1)
   7
   8 struct S0 {
   9   int f0;
  10   int f1;
  11   int f2;
  12   short f3;
  13 };
  14
  15 short a = 1;
  16
  17 struct S0 b = { 1 }, c, d, e;
  18
  19 struct S0 fn1() { return c; }
  20
  21 void fn2 (void)
  22 {
  23   b = fn1 ();
  24   a = 0;
  25   d = e;
  26 }
  27
  28 int main (void)
  29 {
  30   fn2 ();
  31   if (a != 0)
  32     abort ();
  33   return 0;
  34 }