PR tree-optimization/32772

[pf3gnuchains/gcc-fork.git] / gcc / stor-layout.c

diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index ea658a8..f149e68 100644 (file)
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -414,18 +414,11 @@ layout_decl (tree decl, unsigned int known_align)
       else
        do_type_align (type, decl);
 
-      /* If the field is of variable size, we can't misalign it since we
-        have no way to make a temporary to align the result.  But this
-        isn't an issue if the decl is not addressable.  Likewise if it
-        is of unknown size.
-
-        Note that do_type_align may set DECL_USER_ALIGN, so we need to
-        check old_user_align instead.  */
+      /* If the field is packed and not explicitly aligned, give it the
+        minimum alignment.  Note that do_type_align may set
+        DECL_USER_ALIGN, so we need to check old_user_align instead.  */
       if (packed_p
-         && !old_user_align
-         && (DECL_NONADDRESSABLE_P (decl)
-             || DECL_SIZE_UNIT (decl) == 0
-             || TREE_CODE (DECL_SIZE_UNIT (decl)) == INTEGER_CST))
+         && !old_user_align)
        DECL_ALIGN (decl) = MIN (DECL_ALIGN (decl), BITS_PER_UNIT);
 
       if (! packed_p && ! DECL_USER_ALIGN (decl))