From 08e8dd7b9db7bb4a9de26d44c1cbfd24e869c014 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 27 Jul 2022 21:50:45 +0200
Subject: Vendor import of llvm-project main
 llvmorg-15-init-17826-g1f8ae9d7e7e4, the last commit before the upstream
 release/16.x branch was created.

---
 llvm/lib/FileCheck/FileCheck.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'llvm/lib/FileCheck/FileCheck.cpp')

diff --git a/llvm/lib/FileCheck/FileCheck.cpp b/llvm/lib/FileCheck/FileCheck.cpp
index bf13b6c325ec..5d4cfceefb3e 100644
--- a/llvm/lib/FileCheck/FileCheck.cpp
+++ b/llvm/lib/FileCheck/FileCheck.cpp
@@ -1424,6 +1424,8 @@ void Pattern::printVariableDefs(const SourceMgr &SM,
   // Sort variable captures by the order in which they matched the input.
   // Ranges shouldn't be overlapping, so we can just compare the start.
   llvm::sort(VarCaptures, [](const VarCapture &A, const VarCapture &B) {
+    if (&A == &B)
+      return false;
     assert(A.Range.Start != B.Range.Start &&
            "unexpected overlapping variable captures");
     return A.Range.Start.getPointer() < B.Range.Start.getPointer();
-- 
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