Fix issue with bad rebase in typeck::check::_match.

Author: quantheory

src/librustc_typeck/check/_match.rs

@@ -580,7 +580,7 @@ pub fn check_pat_enum<'a, 'tcx>(pcx: &pat_ctxt<'a, 'tcx>,
     let fcx = pcx.fcx;
     let tcx = pcx.fcx.ccx.tcx;
 
-    let path_res = tcx.def_map.borrow().get(&pat.id).unwrap();
+    let path_res = *tcx.def_map.borrow().get(&pat.id).unwrap();
 
     let (opt_ty, segments, def) = match resolve_ty_and_def_ufcs(fcx, path_res,
                                                                 None, path,