From 65170ec4d0f4a9186eeccff73f64fc6caebd26c5 Mon Sep 17 00:00:00 2001
From: Allan Shortlidge <shortlidge@apple.com>
Date: Wed, 26 Mar 2025 13:53:21 -0700
Subject: [PATCH] Suppress warnings for Swift C++ interop by hiding an operator
 declaration.

Solves the same kind of issue as https://github.com/swiftlang/llvm-project/pull/9590.
---
 llvm/include/llvm/Analysis/ScalarEvolution.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/include/llvm/Analysis/ScalarEvolution.h b/llvm/include/llvm/Analysis/ScalarEvolution.h
index df23c70e25514..73941009de720 100644
--- a/llvm/include/llvm/Analysis/ScalarEvolution.h
+++ b/llvm/include/llvm/Analysis/ScalarEvolution.h
@@ -1383,9 +1383,11 @@ class ScalarEvolution {
                                       reinterpret_cast<uintptr_t>(Ty)));
     }
 
+#ifndef __swift__
     bool operator==(const FoldID &RHS) const {
       return std::tie(Op, Ty, C) == std::tie(RHS.Op, RHS.Ty, RHS.C);
     }
+#endif
   };
 
 private:
@@ -2446,10 +2448,12 @@ 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