From b86ed4a425b3fa830fa031ed7fe7187728403440 Mon Sep 17 00:00:00 2001
From: Smitty <me@smitop.com>
Date: Fri, 9 Jul 2021 15:22:12 -0400
Subject: [PATCH] panic when trying to destructure union as enum

---
 compiler/rustc_mir_build/src/check_unsafety.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs
index 0aec63182952..c3af98fae9d5 100644
--- a/compiler/rustc_mir_build/src/check_unsafety.rs
+++ b/compiler/rustc_mir_build/src/check_unsafety.rs
@@ -201,14 +201,14 @@ fn visit_pat(&mut self, pat: &Pat<'tcx>) {
                     AscribeUserType { .. } |
                     // creating a union literal
                     Constant { .. } => {},
-                    Variant { .. } | Leaf { .. } | Or { .. } => {
+                    Leaf { .. } | Or { .. } => {
                         // pattern matching with a union and not doing something like v = Union { bar: 5 }
                         self.in_union_destructure = true;
                         visit::walk_pat(self, pat);
                         self.in_union_destructure = false;
                         return; // don't walk pattern
                     }
-                    Deref { .. } | Range { .. } | Slice { .. } | Array { .. } =>
+                    Variant { .. } | Deref { .. } | Range { .. } | Slice { .. } | Array { .. } =>
                         unreachable!("impossible union destructuring type"),
                 }
             }