re PR c++/26433 (Syntax error using __FUNCTION__ in catch handler)

re PR c++/26433 (Syntax error using __FUNCTION__ in catch handler)

	PR c++/26433
	* cp-tree.h (begin_function_try_block): Change prototype.
	(finish_function_handler_sequence): Likewise.
	* parser.c (cp_parser_function_try_block): Adjust calls.
	* pt.c (tsubst_expr): Adjust calls.
	* semantics.c (begin_function_try_block): Create an artificial
	outer scope.
	(finish_function_handler_sequence): Close it.
	PR c++/26433
	* g++.dg/template/fntry1.C: New test.

From-SVN: r113911