decl2.c (generate_ctor_or_dtor_function): Avoid expanding a global static...

decl2.c (generate_ctor_or_dtor_function): Avoid expanding a global static constructor/destructor if it will be empty, i.e.


	* decl2.c (generate_ctor_or_dtor_function): Avoid expanding a
	global static constructor/destructor if it will be empty, i.e.
	either doesn't call any ctors/dtors or only calls pure or const
	ctors/dtors.

From-SVN: r67800