gcc/testsuite/gcc.dg/c90-auto-1.c

   1 /* Test auto with implicit int for C90.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c90 -pedantic-errors" } */
   4
   5 void
   6 f (void)
   7 {
   8   /* This should have type int following C90 rules, whereas in C23 it
   9      would have type double.  */
  10   auto x = 1.5;
  11   int *p = &x;
  12 }