用于进行gcc测试

				// { dg-do run  }				// { dg-additional-sources " comdat3-aux.cc" }				// Test that duplicate elimination of implicit instantiations of static				// data members works properly.								// Additional files: comdat3.h								#include "comdat3.h"								int main ()				{				  const bool *p = &A::b;				  f ();				}