From: Jan Korous <jkorous@apple.com>
Date: Thu, 28 Feb 2019 01:12:27 +0000 (+0000)
Subject: [clang][index-while-building][NFC] Comment about implementation detail in FileIndexRecord
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=868d5cc1e7ae0c2b8295e1781ca58eba2bc251f8;p=clang

[clang][index-while-building][NFC] Comment about implementation detail in FileIndexRecord

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355061 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Index/FileIndexRecord.cpp b/lib/Index/FileIndexRecord.cpp
index f968700f50..dd5ad71771 100644
--- a/lib/Index/FileIndexRecord.cpp
+++ b/lib/Index/FileIndexRecord.cpp
@@ -35,6 +35,7 @@ void FileIndexRecord::addDeclOccurence(SymbolRoleSet Roles, unsigned Offset,
   }
 
   DeclOccurrence NewInfo(Roles, Offset, D, Relations);
+  // We keep Decls in order as we need to access them in this order in all cases.
   auto It = std::upper_bound(Decls.begin(), Decls.end(), NewInfo);
   Decls.insert(It, std::move(NewInfo));
 }