gcc/testsuite/gcc.dg/c99-fordecl-1.c

   1 /* Test for C99 declarations in for loops.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3 /* { dg-do run } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 extern void abort (void);
   7 extern void exit (int);
   8
   9 int
  10 main (void)
  11 {
  12   int j = 0;
  13   int i = -1;
  14   for (int i = 1; i <= 10; i++)
  15     j += i;
  16   if (j != 55)
  17     abort ();
  18   if (i != -1)
  19     abort ();
  20   j = 0;
  21   for (auto int i = 1; i <= 10; i++)
  22     j += i;
  23   if (j != 55)
  24     abort ();
  25   if (i != -1)
  26     abort ();
  27   j = 0;
  28   for (register int i = 1; i <= 10; i++)
  29     j += i;
  30   if (j != 55)
  31     abort ();
  32   if (i != -1)
  33     abort ();
  34   exit (0);
  35 }