decl.c (gnat_to_gnu_entity): Use boolean_type_node in lieu of integer_type_node for boolean operations.

	* gcc-interface/decl.c (gnat_to_gnu_entity): Use boolean_type_node in
	lieu of integer_type_node for boolean operations.
	(choices_to_gnu): Likewise.
	* gcc-interface/trans.c (Attribute_to_gnu): Likewise.
	(Loop_Statement_to_gnu): Likewise.
	(establish_gnat_vms_condition_handler): Likewise.
	(Exception_Handler_to_gnu_sjlj): Likewise.
	(gnat_to_gnu): Likewise.
	(build_unary_op_trapv): Likewise.
	(build_binary_op_trapv): Likewise.
	(emit_range_check): Likewise.
	(emit_index_check): Likewise.
	(convert_with_check): Likewise.
	* gcc-interface/utils.c (convert_vms_descriptor64): Likewise.
	(convert_vms_descriptor32): Likewise.
	(convert_vms_descriptor): Likewise.
	* gcc-interface/utils2.c (nonbinary_modular_operation): Likewise.
	(compare_arrays): Use boolean instead of integer constants.
	(build_binary_op) <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR,
	TRUTH_OR_EXPR, TRUTH_XOR_EXPR>: New case.  Check that the result type
	is a boolean type.
	<GE_EXPR, LE_EXPR, GT_EXPR, LT_EXPR>: Remove obsolete assertion.
	<EQ_EXPR, NE_EXPR>: Check that the result type is a boolean type.
	<PREINC/PREDECREMENT_EXPR, POSTINC/POSTDECREMENT_EXPR>: Delete.
	<TRUTH_NOT_EXPR>: Check that the result type is a boolean type.
	(build_unary_op): Use boolean_type_node in lieu of integer_type_node
	for boolean operations.
	(fill_vms_descriptor): Likewise.  Fix formatting nits.

From-SVN: r158411