Prefer a two value enum over bool

compiler/rustc_middle/src/ty/pattern.rs

@@ -1,6 +1,7 @@
 use std::fmt;
 
 use rustc_data_structures::intern::Interned;
+use rustc_hir::RangeEnd;
 use rustc_macros::{HashStable, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable};
 
 use crate::ty;
@@ -30,10 +31,7 @@ impl<'tcx> fmt::Debug for PatternKind<'tcx> {
                 if let Some(start) = start {
                     write!(f, "{start}")?;
                 }
-                write!(f, "..")?;
-                if include_end {
-                    write!(f, "=")?;
-                }
+                write!(f, "{include_end}")?;
                 if let Some(end) = end {
                     write!(f, "{end}")?;
                 }
@@ -46,5 +44,5 @@ impl<'tcx> fmt::Debug for PatternKind<'tcx> {
 #[derive(Clone, PartialEq, Eq, Hash)]
 #[derive(HashStable, TyEncodable, TyDecodable, TypeVisitable, TypeFoldable)]
 pub enum PatternKind<'tcx> {
-    Range { start: Option<ty::Const<'tcx>>, end: Option<ty::Const<'tcx>>, include_end: bool },
+    Range { start: Option<ty::Const<'tcx>>, end: Option<ty::Const<'tcx>>, include_end: RangeEnd },
 }

compiler/rustc_middle/src/ty/structural_impls.rs

@@ -284,6 +284,7 @@ TrivialTypeTraversalImpls! {
     rustc_hir::def_id::LocalDefId,
     rustc_hir::HirId,
     rustc_hir::MatchSource,
+    rustc_hir::RangeEnd,
     rustc_span::Ident,
     rustc_span::Span,
     rustc_span::Symbol,