From 06d7119f40c21cdf4f0e19a68d7cc04bf9487dae Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Mon, 22 Aug 2022 13:27:52 +1000
Subject: [PATCH] Remove the symbol from `ast::LitKind::Err`.

Because it's never used meaningfully.
---
 clippy_lints/src/matches/match_same_arms.rs | 2 +-
 clippy_lints/src/utils/author.rs            | 2 +-
 clippy_utils/src/consts.rs                  | 8 +++-----
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/clippy_lints/src/matches/match_same_arms.rs b/clippy_lints/src/matches/match_same_arms.rs
index 582782f245fc..e32ef9933afe 100644
--- a/clippy_lints/src/matches/match_same_arms.rs
+++ b/clippy_lints/src/matches/match_same_arms.rs
@@ -290,7 +290,7 @@ impl<'a> NormalizedPat<'a> {
                     LitKind::Char(val) => Self::LitInt(val.into()),
                     LitKind::Int(val, _) => Self::LitInt(val),
                     LitKind::Bool(val) => Self::LitBool(val),
-                    LitKind::Float(..) | LitKind::Err(_) => Self::Wild,
+                    LitKind::Float(..) | LitKind::Err => Self::Wild,
                 },
                 _ => Self::Wild,
             },
diff --git a/clippy_lints/src/utils/author.rs b/clippy_lints/src/utils/author.rs
index c0726868f77e..429c64ac1564 100644
--- a/clippy_lints/src/utils/author.rs
+++ b/clippy_lints/src/utils/author.rs
@@ -276,7 +276,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> {
         match lit.value.node {
             LitKind::Bool(val) => kind!("Bool({val:?})"),
             LitKind::Char(c) => kind!("Char({c:?})"),
-            LitKind::Err(val) => kind!("Err({val})"),
+            LitKind::Err => kind!("Err"),
             LitKind::Byte(b) => kind!("Byte({b})"),
             LitKind::Int(i, suffix) => {
                 let int_ty = match suffix {
diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs
index 351a3f4aec8c..e053708edd50 100644
--- a/clippy_utils/src/consts.rs
+++ b/clippy_utils/src/consts.rs
@@ -45,7 +45,7 @@ pub enum Constant {
     /// A reference
     Ref(Box<Constant>),
     /// A literal with syntax error.
-    Err(Symbol),
+    Err,
 }
 
 impl PartialEq for Constant {
@@ -118,9 +118,7 @@ impl Hash for Constant {
             Self::Ref(ref r) => {
                 r.hash(state);
             },
-            Self::Err(ref s) => {
-                s.hash(state);
-            },
+            Self::Err => {},
         }
     }
 }
@@ -194,7 +192,7 @@ pub fn lit_to_mir_constant(lit: &LitKind, ty: Option<Ty<'_>>) -> Constant {
             _ => bug!(),
         },
         LitKind::Bool(b) => Constant::Bool(b),
-        LitKind::Err(s) => Constant::Err(s),
+        LitKind::Err => Constant::Err,
     }
 }