re PR c++/39681 (Compile error is not descriptive)

re PR c++/39681 (Compile error is not descriptive)

/cp
2012-05-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/39681
	* parser.c (cp_parser_new_type_id): Early return error_mark_node
	if the cp_parser_type_specifier_seq call has type_specifier_seq.type
	error_mark_node; tidy.
	(cp_parser_new_expression): Always initialize nelts to NULL_TREE to
	avoid uninitialized warnings.
	(cp_parser_init_declarator, cp_parser_late_parse_one_default_arg):
	Call cp_parser_skip_to_end_of_statement if cp_parser_initializer
	returns error_mark_node.

/testsuite
2012-05-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/39681
	* g++.dg/parse/error48.C: New.
	* g++.dg/cpp0x/error8.C: Likewise.
	* g++.dg/ext/utf-cxx98.C: Adjust dg-error directive.
	* g++.dg/ext/utf-dflt2.C: Likewise.
	* g++.dg/ext/utf-gnuxx98.C: Likewise.
	* g++.dg/ext/utf-dflt.C: Likewise.
	* c-c++-common/raw-string-3.c: Likewise.
	* c-c++-common/raw-string-4.c: Likewise.

From-SVN: r187634