===================================================================
@@ -13792,6 +13789,7 @@ recursive_label:
&& DECL_ASSEMBLER_NAME_SET_P (expr))
{
/* Allow DECL_ASSEMBLER_NAME to be modified. */
+ gcc_assert (tree_size (expr) <= sizeof (buf));
memcpy ((char *) &buf, expr, tree_size (expr));
SET_DECL_ASSEMBLER_NAME ((tree)&buf, NULL);
expr = (tree) &buf;
@@ -13805,6 +13803,7 @@ recursive_label:
{
/* Allow these fields to be modified. */
tree tmp;
+ gcc_assert (tree_size (expr) <= sizeof (buf));
memcpy ((char *) &buf, expr, tree_size (expr));
expr = tmp = (tree) &buf;
TYPE_CONTAINS_PLACEHOLDER_INTERNAL (tmp) = 0;