1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c
index c03ff03..8064b8e 100644
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -586,6 +586,13 @@ get_alias_set (tree t)
 	    return 0;
 	}
 
+      /* For non-addressable fields we return the alias set of the
+	 outermost object that could have its address taken.  If this
+	 is an SFT use the precomputed value.  */
+      if (TREE_CODE (t) == STRUCT_FIELD_TAG
+	  && SFT_NONADDRESSABLE_P (t))
+	return SFT_ALIAS_SET (t);
+
       /* Otherwise, pick up the outermost object that we could have a pointer
 	 to, processing conversions as above.  */
       while (component_uses_parent_alias_set (t))