gcc/testsuite/gcc.c-torture/execute/pr22061-4.c

   1 /* { dg-skip-if "requires alloca" { ! alloca } { "-O0" } { "" } } */
   2 void abort (void);
   3 void exit (int);
   4
   5 void
   6 bar (int N)
   7 {
   8   void foo (int a[2][N++]) {}
   9   int a[2][N];
  10   foo (a);
  11   int b[2][N];
  12   foo (b);
  13   if (sizeof (a) != sizeof (int) * 2 * 1)
  14     abort ();
  15   if (sizeof (b) != sizeof (int) * 2 * 2)
  16     abort ();
  17   if (N != 3)
  18     abort ();
  19 }
  20
  21 int
  22 main (void)
  23 {
  24   bar (1);
  25   exit (0);
  26 }