re PR c++/9823 (ICE in sort_mem_initializers)

re PR c++/9823 (ICE in sort_mem_initializers)

	PR c++/9823
	* cp-tree.h (begin_mem_initializers): Remove.
	* parser.c (cp_parser_mem_initializer_list): Inline it here.
	Do not call finish_mem_initializers if not in a constructor.
	(cp_parser_class_head): Fix typo in error message.
	* semantics.c (begin_mem_initializers): Remove.
	* testsuite/g++.dg/parser/constructor1.C: New test.

	PR c++/9823
	* g++.dg/parser/constructor1.C: New test.

From-SVN: r63999