From 573f6313b0a82039b804bf0afad05f8fa3ef218e Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Fri, 12 Aug 2016 16:46:25 +0000
Subject: [PATCH] BugReporter: Use ilist_half_embedded_sentinel_traits, NFC

This avoids duplicated code with llvm/ADT/ilist.h.  No functionality
change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@278525 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../Core/BugReporter/BugReporter.h            | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h b/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
index 57c73fd6ec..02f56fc6bf 100644
--- a/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
+++ b/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
@@ -315,22 +315,9 @@ public:
 } // end clang namespace
 
 namespace llvm {
-  template<> struct ilist_traits<clang::ento::BugReport>
-    : public ilist_default_traits<clang::ento::BugReport> {
-    clang::ento::BugReport *createSentinel() const {
-      return static_cast<clang::ento::BugReport *>(&Sentinel);
-    }
-    void destroySentinel(clang::ento::BugReport *) const {}
-
-    clang::ento::BugReport *provideInitialHead() const {
-      return createSentinel();
-    }
-    clang::ento::BugReport *ensureHead(clang::ento::BugReport *) const {
-      return createSentinel();
-    }
-  private:
-    mutable ilist_half_node<clang::ento::BugReport> Sentinel;
-  };
+template <>
+struct ilist_sentinel_traits<clang::ento::BugReport>
+    : public ilist_half_embedded_sentinel_traits<clang::ento::BugReport> {};
 }
 
 namespace clang {
-- 
2.40.0