re PR c++/15787 (Poor error message with if and blocks)

re PR c++/15787 (Poor error message with if and blocks)

2007-03-03  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/15787
	* parser.c (struct cp_parser): New IN_IF_STMT.
	(cp_parser_statement_seq_opt): Handle an unexpected 'else',
	returning if parsing the body of an 'if' statement or issuing an
	error and continuing.
	(cp_parser_selection_statement): Set IN_IF_STMT bit when parsing
	body of 'if'.
	(cp_parser_jump_statement): Mask new IN_IF_STMT bit.

testsuite/
	* g++.dg/parse/else.C: New.
	* g++.dg/parse/else-2.C: New.

From-SVN: r122505