revert: re PR ada/35186 (implicit assumption about alignment of DImode)

        Revert
        2008-03-05  Eric Botcazou  <ebotcazou@adacore.com>
        PR ada/35186
        * decl.c (maybe_pad_type): Avoid padding an integral type when
        bumping its alignment is sufficient.

From-SVN: r133526

gcc/ada/ChangeLog

+2008-03-25  Eric Botcazou  <ebotcazou@adacore.com>
+
+	Revert
+	2008-03-05  Eric Botcazou  <ebotcazou@adacore.com>
+	PR ada/35186
+	* decl.c (maybe_pad_type): Avoid padding an integral type when
+	bumping its alignment is sufficient.
+
 2008-03-25  Arnaud Charlet  <charlet@adacore.com>
 
 	* exp_ch6.adb, exp_disp.adb: Update copyright notice.

gcc/ada/decl.c

@@ -5529,18 +5529,6 @@ maybe_pad_type (tree type, tree size, unsigned int align,
   if (align == 0 && !size)
     return type;
 
-  /* If no size is specified and we have an integral type, and changing
-     the alignment won't change its size, return a copy of the type
-     with the specified alignment.  */
-  if (!size
-      && INTEGRAL_TYPE_P (type)
-      && value_factor_p (orig_size, align))
-    {
-      type = copy_type (type);
-      TYPE_ALIGN (type) = align;
-      return type;
-    }
-
   /* We used to modify the record in place in some cases, but that could
      generate incorrect debugging information.  So make a new record
      type and name.  */