re PR target/35496 (test failures between revs. 132950 and 132974)

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

From-SVN: r133343

gcc/ChangeLog

+2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/35496
+	* stor-layout.c (update_alignment_for_field): Set minimum alignment
+	of the underlying type of a MS bitfield layout to the natural
+	alignment of the type.
+
 2008-03-19  Jan Hubicka  <jh@suse.cz>
 
 	PR other/35094
@@ -283,7 +290,7 @@
 	(maybe_fold_stmt_addition): Likewise.
 
 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
-            Anatoly Sokolov <aesok@post.ru>
+	    Anatoly Sokolov <aesok@post.ru>
 
 	* gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
 	(avr_arch): Add ARCH_AVR6.
@@ -1123,7 +1130,7 @@
 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 
 	* config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
-        label to probe the stack.
+	label to probe the stack.
 
 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 
@@ -1688,7 +1695,7 @@
 
 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 
-        PR 26264
+	PR 26264
 	* builtins.def (BUILT_IN_STDARG_START): Remove.
 	* builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
 	* tree-stdarg.c (execute_optimize_stdarg): Likewise.
@@ -1868,7 +1875,7 @@
 	PR fortran/29549
 	* doc/invoke.texi (-fcx-limited-range): Document new option.
 	* toplev.c (process_options): Handle -fcx-fortran-rules.
-        * common.opt: Add documentation for -fcx-fortran-rules.
+	* common.opt: Add documentation for -fcx-fortran-rules.
 
 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 

gcc/stor-layout.c

@@ -699,6 +699,9 @@ update_alignment_for_field (record_layout_info rli, tree field,
 		 && ! integer_zerop (DECL_SIZE (rli->prev_field)))))
 	{
 	  unsigned int type_align = TYPE_ALIGN (type);
+	  unsigned int type_size
+	    = tree_low_cst (TYPE_SIZE (type), 1);
+	  type_align = MAX (type_align, type_size);
 	  type_align = MAX (type_align, desired_align);
 	  if (maximum_field_alignment != 0)
 	    type_align = MIN (type_align, maximum_field_alignment);