remove resolved fixmes

Author: zeegomo

compiler/rustc_borrowck/src/used_muts.rs

@@ -71,10 +71,6 @@ impl<'visit, 'cx, 'tcx> Visitor<'tcx> for GatherUsedMutsVisitor<'visit, 'cx, 'tc
             TerminatorKind::Call { destination, .. } => {
                 self.remove_never_initialized_mut_locals(*destination);
             }
-            // FIXME: ??
-            // TerminatorKind::DropAndReplace { place, .. } => {
-            //     self.remove_never_initialized_mut_locals(*place);
-            // }
             _ => {}
         }
 

compiler/rustc_const_eval/src/transform/check_consts/resolver.rs

@@ -222,19 +222,6 @@ where
         // The effect of assignment to the return place in `TerminatorKind::Call` is not applied
         // here; that occurs in `apply_call_return_effect`.
 
-        // FIXME ??
-        // if let mir::TerminatorKind::DropAndReplace { value, place, .. } = &terminator.kind {
-        //     let qualif = qualifs::in_operand::<Q, _>(
-        //         self.ccx,
-        //         &mut |l| self.state.qualif.contains(l),
-        //         value,
-        //     );
-
-        //     if !place.is_indirect() {
-        //         self.assign_qualif_direct(place, qualif);
-        //     }
-        // }
-
         // We ignore borrow on drop because custom drop impls are not allowed in consts.
         // FIXME: Reconsider if accounting for borrows in drops is necessary for const drop.
 

compiler/rustc_const_eval/src/transform/validate.rs

@@ -736,19 +736,6 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
                     self.check_edge(location, *unwind, EdgeKind::Unwind);
                 }
             }
-            // FIXME ??
-            // TerminatorKind::DropAndReplace { target, unwind, .. } => {
-            //     if self.mir_phase >= MirPhase::Runtime(RuntimePhase::Initial) {
-            //         self.fail(
-            //             location,
-            //             "`DropAndReplace` should have been removed during drop elaboration",
-            //         );
-            //     }
-            //     self.check_edge(location, *target, EdgeKind::Normal);
-            //     if let Some(unwind) = unwind {
-            //         self.check_edge(location, *unwind, EdgeKind::Unwind);
-            //     }
-            // }
             TerminatorKind::Call { func, args, destination, target, cleanup, .. } => {
                 let func_ty = func.ty(&self.body.local_decls, self.tcx);
                 match func_ty.kind() {