gcc/testsuite/gcc.dg/c99-fordecl-2.c

   1 /* Test for C99 declarations in for loops.  Test constraints.  */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 void
   7 foo (void)
   8 {
   9   /* See comments in check_for_loop_decls (c-decl.c) for the presumptions
  10      behind these tests.  */
  11   int j = 0;
  12   for (int i = 1, bar (void); i <= 10; i++) /* { dg-bogus "warning" "warning in place of error" } */
  13     j += i;
  14   /* { dg-error "bar" "function in for loop" { target *-*-* } 12 } */
  15   for (static int i = 1; i <= 10; i++) /* { dg-bogus "warning" "warning in place of error" } */
  16     j += i;
  17   /* { dg-error "static" "static in for loop" { target *-*-* } 15 } */
  18   for (extern int i; j <= 500; j++) /* { dg-bogus "warning" "warning in place of error" } */
  19     j += 5;
  20   /* { dg-error "extern" "extern in for loop" { target *-*-* } 18 } */
  21   for (enum { FOO } i = FOO; i < 10; i++) /* { dg-bogus "warning" "warning in place of error" } */
  22     j += i;
  23   /* { dg-error "FOO" "enum value in for loop" { target *-*-* } 21 } */
  24   for (enum BAR { FOO } i = FOO; i < 10; i++) /* { dg-bogus "warning" "warning in place of error" } */
  25     j += i;
  26   /* { dg-error "FOO" "enum value in for loop" { target *-*-* } 24 } */
  27   /* { dg-error "BAR" "enum tag in for loop" { target *-*-* } 24 } */
  28 }