gcc/testsuite/g++.old-deja/g++.jason/crash7.C

// { dg-do assemble  }
// Bug: g++ can't deal.

typedef unsigned size_t;	// { dg-message "" } previous declaration
typedef unsigned long size_t;	// { dg-error "" } redefining size_t
void f (size_t);		// causes compiler segfault -