java-tree.h (DECL_LOCAL_FINAL_IUD): New macro to test if a local variable was initialised upon declaration.

	* java-tree.h (DECL_LOCAL_FINAL_IUD): New macro to test if a
	local variable was initialised upon declaration.
	* parse.y (declare_local_variables): Set DECL_LOCAL_FINAL_IUD if
	variable was final and initialised upon declaration.
	* check-init.c (check_final_reassigned): Give error only if a blank
	final is not definitely unassigned or if an initialised final is
	reassigned.
	(check_bool_init): Respect JLS2 16.1.7 requirements for boolean
	assignment expressions. Remove case MODIFY_EXPR, label do_default.
	(check_init): Perform initialised-variable-removing-optimisation
	only on non-final local variables.

Co-Authored-By: Per Bothner <per@bothner.com>

From-SVN: r82416