From 006c85d017e9eb404e3798c59520d6058d971cd8 Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Thu, 31 Jul 2025 15:53:18 +1000
Subject: [PATCH] Make some matches non-exhaustive.

Exhaustive match isn't necessary for these trivial cases, and some
similar nearby methods are non-exhaustive.
---
 compiler/rustc_middle/src/ty/predicate.rs | 32 ++---------------------
 1 file changed, 2 insertions(+), 30 deletions(-)

diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs
index 59e00f85957e..69dcca54f469 100644
--- a/compiler/rustc_middle/src/ty/predicate.rs
+++ b/compiler/rustc_middle/src/ty/predicate.rs
@@ -638,21 +638,7 @@ impl<'tcx> Predicate<'tcx> {
         let predicate = self.kind();
         match predicate.skip_binder() {
             PredicateKind::Clause(ClauseKind::Trait(t)) => Some(predicate.rebind(t)),
-            PredicateKind::Clause(ClauseKind::Projection(..))
-            | PredicateKind::Clause(ClauseKind::HostEffect(..))
-            | PredicateKind::Clause(ClauseKind::ConstArgHasType(..))
-            | PredicateKind::Clause(ClauseKind::UnstableFeature(_))
-            | PredicateKind::NormalizesTo(..)
-            | PredicateKind::AliasRelate(..)
-            | PredicateKind::Subtype(..)
-            | PredicateKind::Coerce(..)
-            | PredicateKind::Clause(ClauseKind::RegionOutlives(..))
-            | PredicateKind::Clause(ClauseKind::WellFormed(..))
-            | PredicateKind::DynCompatible(..)
-            | PredicateKind::Clause(ClauseKind::TypeOutlives(..))
-            | PredicateKind::Clause(ClauseKind::ConstEvaluatable(..))
-            | PredicateKind::ConstEquate(..)
-            | PredicateKind::Ambiguous => None,
+            _ => None,
         }
     }
 
@@ -660,21 +646,7 @@ impl<'tcx> Predicate<'tcx> {
         let predicate = self.kind();
         match predicate.skip_binder() {
             PredicateKind::Clause(ClauseKind::Projection(t)) => Some(predicate.rebind(t)),
-            PredicateKind::Clause(ClauseKind::Trait(..))
-            | PredicateKind::Clause(ClauseKind::HostEffect(..))
-            | PredicateKind::Clause(ClauseKind::ConstArgHasType(..))
-            | PredicateKind::Clause(ClauseKind::UnstableFeature(_))
-            | PredicateKind::NormalizesTo(..)
-            | PredicateKind::AliasRelate(..)
-            | PredicateKind::Subtype(..)
-            | PredicateKind::Coerce(..)
-            | PredicateKind::Clause(ClauseKind::RegionOutlives(..))
-            | PredicateKind::Clause(ClauseKind::WellFormed(..))
-            | PredicateKind::DynCompatible(..)
-            | PredicateKind::Clause(ClauseKind::TypeOutlives(..))
-            | PredicateKind::Clause(ClauseKind::ConstEvaluatable(..))
-            | PredicateKind::ConstEquate(..)
-            | PredicateKind::Ambiguous => None,
+            _ => None,
         }
     }