Remove unnecessary lift calls

[rust.git] / src / librustc_mir / hair / cx / mod.rs

diff --git a/src/librustc_mir/hair/cx/mod.rs b/src/librustc_mir/hair/cx/mod.rs
index 7740042c783fce12aac1ec9c6cee2e5b58c5c1c8..1eb5ab0776a30436644bead4cc343f67e2a34630 100644 (file)
--- a/src/librustc_mir/hair/cx/mod.rs
+++ b/src/librustc_mir/hair/cx/mod.rs
@@ -191,12 +191,7 @@ pub fn all_fields(&mut self, adt_def: &ty::AdtDef, variant_index: VariantIdx) ->
     }
 
     pub fn needs_drop(&mut self, ty: Ty<'tcx>) -> bool {
-        let (ty, param_env) = self.tcx.lift_to_global(&(ty, self.param_env)).unwrap_or_else(|| {
-            bug!("MIR: Cx::needs_drop({:?}, {:?}) got \
-                  type with inference types/regions",
-                 ty, self.param_env);
-        });
-        ty.needs_drop(self.tcx.global_tcx(), param_env)
+        ty.needs_drop(self.tcx.global_tcx(), self.param_env)
     }
 
     pub fn tcx(&self) -> TyCtxt<'tcx> {