if (n)
{
tree new;
+ tree old;
/* If we happen to get an ADDR_EXPR in n->value, strip
it manually here as we'll eventually get ADDR_EXPRs
which lie about their types pointed to. In this case
does other useful transformations, try that first, though. */
tree type = TREE_TYPE (TREE_TYPE ((tree)n->value));
new = unshare_expr ((tree)n->value);
+ old = *tp;
*tp = fold_indirect_ref_1 (type, new);
if (! *tp)
{
if (TREE_CODE (new) == ADDR_EXPR)
*tp = TREE_OPERAND (new, 0);
else
- *tp = build1 (INDIRECT_REF, type, new);
+ {
+ *tp = build1 (INDIRECT_REF, type, new);
+ TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);
+ }
}
*walk_subtrees = 0;
return NULL;