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1.1
date	2026.09.15.21.10.06;	author tnn;	state Exp;
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1.1
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@llvm: fix build with xcode 27

Apply commit a558d656043734cc4d02e0a0a12e4c308c28f8c7 from upstream.
I won't pretend to understand modern C++ to the extent that I can
adequately explain this change, but I guess it removes UB and does not
change code behaviour.
@
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@$NetBSD$

https://github.com/llvm/llvm-project/commit/a558d656043734cc4d02e0a0a12e4c308c28f8c7.patch

--- include/llvm/CodeGen/RDFGraph.h.orig	2025-12-12 10:35:47.000000000 +0000
+++ include/llvm/CodeGen/RDFGraph.h
@@@@ -447,7 +447,7 @@@@ private:
   AllocatorTy MemPool;
 };
 
-using RegisterSet = std::set<RegisterRef>;
+using RegisterSet = std::set<RegisterRef, RegisterRefLess>;
 
 struct TargetOperandInfo {
   TargetOperandInfo(const TargetInstrInfo &tii) : TII(tii) {}
@