up the virtual use-def chain using walk_non_aliased_vuses.
But don't do this when removing expressions from the hash. */
ao_ref ref;
- unsigned limit = PARAM_VALUE (PARAM_SCCVN_MAX_ALIAS_QUERIES_PER_ACCESS);
+ unsigned limit = param_sccvn_max_alias_queries_per_access;
if (!(vuse1 && vuse2
&& gimple_assign_single_p (stmt)
&& TREE_CODE (gimple_assign_lhs (stmt)) == SSA_NAME