Revised comment explaining my addition of case for TerminatorKind::Resume.

Also, I removed the `continue;` statement. I don't think it makes
a difference whether its there or not, but having it there confuses things
when the actual goal was to side-step the assertion in the default case.

Author: pnkfelix

src/librustc_borrowck/borrowck/mir/elaborate_drops.rs

@@ -585,11 +585,6 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> {
                             // drop elaboration should handle that by itself
                             continue
                         }
-                        TerminatorKind::Resume => {
-                            // We can replace resumes with gotos
-                            // jumping to a canonical resume.
-                            continue
-                        }
                         TerminatorKind::DropAndReplace { .. } => {
                             // this contains the move of the source and
                             // the initialization of the destination. We
@@ -599,6 +594,11 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> {
                             assert!(self.patch.is_patched(bb));
                             allow_initializations = false;
                         }
+                        TerminatorKind::Resume => {
+                            // It is possible for `Resume` to be patched
+                            // (in particular it can be patched to be replaced with
+                            // a Goto; see `MirPatch::new`).
+                        }
                         _ => {
                             assert!(!self.patch.is_patched(bb));
                         }