[PCH] The range map for SLoc offsets is a reversed one, not negated.

llvm-svn: 140066

1 files changed, 3 insertions, 3 deletions

diff --git a/clang/include/clang/Serialization/ASTReader.h b/clang/include/clang/Serialization/ASTReader.h
index 48f80534717..507fd66ec72 100644
--- a/clang/include/clang/Serialization/ASTReader.h
+++ b/clang/include/clang/Serialization/ASTReader.h
@@ -248,10 +248,10 @@ private:
   /// \brief A map of negated SLocEntryIDs to the modules containing them.
   ContinuousRangeMap<unsigned, Module*, 64> GlobalSLocEntryMap;
 
-  typedef ContinuousRangeMap<int, Module*, 64> GlobalSLocOffsetMapType;
+  typedef ContinuousRangeMap<unsigned, Module*, 64> GlobalSLocOffsetMapType;
   
-  /// \brief A map of negated SourceLocation offsets to the modules containing
-  /// them.
+  /// \brief A map of reversed (SourceManager::MaxLoadedOffset - SLocOffset)
+  /// SourceLocation offsets to the modules containing them.
   GlobalSLocOffsetMapType GlobalSLocOffsetMap;
   
   /// \brief Types that have already been loaded from the chain.