1  /* Test for enumeration constants not integer constant expressions but
       2     folding to integer constants (used in Linux kernel,
       3     <http://gcc.gnu.org/ml/gcc/2009-04/msg00677.html>).  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-pedantic" } */
       6  
       7  extern int i;
       8  enum e { E = (1 ? 1 : i) }; /* { dg-warning "not an integer constant expression" } */