gcc/testsuite/gcc.dg/format/gcc_diag-2.c

   1 /* Test for ICE handling internal formats: bug 20740.  The code did
   2    not check that, if the required typedef names had been used as
   3    identifiers, they were defined to suitable types.  Test "tree", not
   4    defined.  */
   5 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   6 /* { dg-do compile } */
   7 /* { dg-options "-Wformat" } */
   8
   9 void foo (int tree);
  10 void bar (const char *, ...) __attribute__ ((__format__ (__gcc_diag__, 1, 2)));