if (op == NULL_TREE)
continue;
- /* If OP is a constant that has overflowed, do not value number
- this expression. */
- if (CONSTANT_CLASS_P (op)
- && TREE_OVERFLOW (op))
- {
- pool_free (pool, vexpr);
- return NULL;
- }
-
/* Recursively value-numberize reference ops and tree lists. */
if (REFERENCE_CLASS_P (op))
{