re PR middle-end/17746 (ICE when building the Ada RTS)

	PR middle-end/17746
	* expr.c (get_inner_reference): Add 'keep_aligning' parameter.
	Break on aligning VIEW_CONVERT_EXPR nodes on STRICT_ALIGNMENT
	platforms only if keep_aligning is true.
	(expand_assignment): Adjust call to get_inner_reference.
	(expand_expr_addr_expr_1): Likewise.
	(expand_expr_real_1): Likewise.
	* dojump.c (do_jump): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
	* fold-const.c (optimize_bit_field_compare): Likewise.
	(decode_field_reference): Likewise.
	(split_address_to_core_and_offset): Likewise.
	* tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
	* tree.h (get_inner_reference): Adjust prototype.

ada/
	* trans.c (Attribute_to_gnu): Adjust call to get_inner_reference.
	* utils2.c (build_unary_op): Likewise.

From-SVN: r92550

gcc/ChangeLog

@@ -13,7 +13,7 @@
 	(decode_field_reference): Likewise.
 	(split_address_to_core_and_offset): Likewise.
 	* tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
-	* expr.h (get_inner_reference): Adjust prototype.
+	* tree.h (get_inner_reference): Adjust prototype.
 
 2004-12-23  Richard Henderson  <rth@redhat.com>
 

gcc/tree.h

@@ -3366,7 +3366,8 @@ extern tree get_narrower (tree, int *);
    and find the ultimate containing object, which is returned.  */
 
 extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
-				 tree *, enum machine_mode *, int *, int *);
+				 tree *, enum machine_mode *, int *, int *,
+				 bool);
 
 /* Return 1 if T is an expression that get_inner_reference handles.  */