gcc/testsuite/gcc.dg/format/opt-4.c


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/* Test diagnostics for options used on their own without
   -Wformat.  -Wformat-y2k.  */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-Wformat-y2k" } */

/* { dg-warning "-Wformat-y2k ignored without -Wformat" "ignored" { target *-*-* } 0 } */