gcc-4.9/gcc/testsuite/g++.old-deja/g++.jason/rfg20.C


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// { dg-do assemble  }

typedef void func_type ();
func_type *fp;
void *vp;

void example ()
{
    vp != fp;			// { dg-error "forbids comparison" } no conversion from pfn to void*
}