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

   1 /* Test for C99 declarations in for loops - rejection in C90 mode.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
   5
   6 void
   7 foo (void)
   8 {
   9   int j = 0;
  10   for (int i = 1; i <= 10; i++) /* { dg-bogus "warning" "warning in place of error" } */
  11     /* { dg-error "'for' loop initial declarations are only allowed in C99 or C11 mode" "declaration in for loop" { target *-*-* } .-1 } */
  12     /* { dg-message "note: use option '-std=c99', '-std=gnu99', '-std=c11' or '-std=gnu11' to compile your code" "note" { target *-*-* } .-2 } */
  13     j += i;
  14 }