用于进行gcc测试

				// { dg-do run  }				// { dg-additional-sources " comdat1-aux.cc" }				// { dg-options "-O" }				// Test that statics in inline functions are unified between				// translation units.  Currently we handle this by just suppressing				// inling and relying on unification of the function itself.								inline int f ()				{				  static int i;				  return ++i;				}								int g ();								int main ()				{				  if (f() != 1				      || g() != 2				      || f() != 3)				    return 1;				  return 0;				}