From a7d94a0f70f230a0aee7a1d47a80d8fc8363ff33 Mon Sep 17 00:00:00 2001
From: Allan Shortlidge <shortlidge@apple.com>
Date: Wed, 26 Mar 2025 13:53:21 -0700
Subject: [PATCH] Fix error in ScalarEvolution.h when building the Swift
 compiler.

Follow up to https://github.com/swiftlang/llvm-project/pull/10359.
---
 llvm/include/llvm/Analysis/ScalarEvolution.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/include/llvm/Analysis/ScalarEvolution.h b/llvm/include/llvm/Analysis/ScalarEvolution.h
index f8ff9d08b61b1..257660670f717 100644
--- a/llvm/include/llvm/Analysis/ScalarEvolution.h
+++ b/llvm/include/llvm/Analysis/ScalarEvolution.h
@@ -2492,10 +2492,12 @@ template <> struct DenseMapInfo<ScalarEvolution::FoldID> {
     return Val.computeHash();
   }
 
+#ifndef __swift__
   static bool isEqual(const ScalarEvolution::FoldID &LHS,
                       const ScalarEvolution::FoldID &RHS) {
     return LHS == RHS;
   }
+#endif
 };
 
 } // end namespace llvm