&format!("comparison of `{}`", rhs_t),
StrEqFnLangItem);
let args = [lhs_data, lhs_len, rhs_data, rhs_len];
- Callee::def(bcx.ccx(), did, bcx.tcx().mk_substs(Substs::empty()))
+ Callee::def(bcx.ccx(), did, Substs::empty(bcx.tcx()))
.call(bcx, debug_loc, ArgVals(&args), None)
}