re PR c++/8153 (ICE with static const member in class)

re PR c++/8153 (ICE with static const member in class)

	PR c++/8153
	PR c++/8036
	* NEWS: Document removal of in-class initialization extension for
	static data members of non-arithmetic, non-enumeration type.
	* decl.c (check_static_variable_definition): Do not allow that
	extension.
	* decl2.c (grokfield): Do not call digest_init when processing
	templates.

	PR c++/8153
	PR c++/8036
	* g++.dg/template/static1.C: New test.
	* g++.dg/template/static2.C: New test.
	* g++.old-deja/g++.ext/memconst.C: New test.

From-SVN: r59980