gcc-4.9/gcc/testsuite/gcc.dg/noncompile/undeclared-1.c


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/* Test for no ICE with an undeclared identifier in an enum in old-style
   parameter decls.  PR 12560.  */
/* { dg-options "-w" } */

foo(c)
     enum { a = b } c;  /* { dg-error "undeclared|for each" } */
{
}