Revert "Stop using a depracated function"

This reverts commit b1791ee.

Author: bjorn3

src/value_and_place.rs

@@ -392,7 +392,7 @@ impl<'tcx> CPlace<'tcx> {
         local: Local,
         layout: TyAndLayout<'tcx>,
     ) -> CPlace<'tcx> {
-        let var = Variable::from_u32(fx.next_ssa_var);
+        let var = Variable::with_u32(fx.next_ssa_var);
         fx.next_ssa_var += 1;
         fx.bcx.declare_var(var, fx.clif_type(layout.ty).unwrap());
         CPlace { inner: CPlaceInner::Var(local, var), layout }
@@ -403,9 +403,9 @@ impl<'tcx> CPlace<'tcx> {
         local: Local,
         layout: TyAndLayout<'tcx>,
     ) -> CPlace<'tcx> {
-        let var1 = Variable::from_u32(fx.next_ssa_var);
+        let var1 = Variable::with_u32(fx.next_ssa_var);
         fx.next_ssa_var += 1;
-        let var2 = Variable::from_u32(fx.next_ssa_var);
+        let var2 = Variable::with_u32(fx.next_ssa_var);
         fx.next_ssa_var += 1;
 
         let (ty1, ty2) = fx.clif_pair_type(layout.ty).unwrap();