From: David Blaikie <dblaikie@gmail.com>
Date: Tue, 6 May 2014 03:53:10 +0000 (+0000)
Subject: Update comment from a recent commit.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=3e889f7041a6b663cc33e4243a4bd2fdddf39b21;p=oota-llvm.git

Update comment from a recent commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208057 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/LexicalScopes.h b/include/llvm/CodeGen/LexicalScopes.h
index 89e0287032d..31d40ff588c 100644
--- a/include/llvm/CodeGen/LexicalScopes.h
+++ b/include/llvm/CodeGen/LexicalScopes.h
@@ -224,8 +224,8 @@ private:
 private:
   const MachineFunction *MF;
 
-  /// LexicalScopeMap - Tracks the scopes in the current function.  Owns the
-  /// contained LexicalScope*s.
+  /// LexicalScopeMap - Tracks the scopes in the current function.
+  // Use an unordered_map to ensure value pointer validity over insertion.
   std::unordered_map<const MDNode *, LexicalScope> LexicalScopeMap;
 
   /// InlinedLexicalScopeMap - Tracks inlined function scopes in current
@@ -233,7 +233,7 @@ private:
   DenseMap<DebugLoc, LexicalScope *> InlinedLexicalScopeMap;
 
   /// AbstractScopeMap - These scopes are  not included LexicalScopeMap.
-  /// AbstractScopes owns its LexicalScope*s.
+  // Use an unordered_map to ensure value pointer validity over insertion.
   std::unordered_map<const MDNode *, LexicalScope> AbstractScopeMap;
 
   /// AbstractScopesList - Tracks abstract scopes constructed while processing