diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index 9080349..b6a35c8 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -2644,11 +2644,6 @@
   Result.swap(Out);
 }
 
-static inline bool compLocDecl(std::pair<unsigned, Decl *> L,
-                               std::pair<unsigned, Decl *> R) {
-  return L.first < R.first;
-}
-
 void ASTUnit::addFileLevelDecl(Decl *D) {
   assert(D);
   
@@ -2684,8 +2679,8 @@
     return;
   }
 
-  LocDeclsTy::iterator
-    I = std::upper_bound(Decls->begin(), Decls->end(), LocDecl, compLocDecl);
+  LocDeclsTy::iterator I =
+      std::upper_bound(Decls->begin(), Decls->end(), LocDecl, less_first());
 
   Decls->insert(I, LocDecl);
 }
@@ -2709,9 +2704,9 @@
   if (LocDecls.empty())
     return;
 
-  LocDeclsTy::iterator
-    BeginIt = std::lower_bound(LocDecls.begin(), LocDecls.end(),
-                               std::make_pair(Offset, (Decl*)0), compLocDecl);
+  LocDeclsTy::iterator BeginIt =
+      std::lower_bound(LocDecls.begin(), LocDecls.end(),
+                       std::make_pair(Offset, (Decl *)0), less_first());
   if (BeginIt != LocDecls.begin())
     --BeginIt;
 
@@ -2722,10 +2717,9 @@
          BeginIt->second->isTopLevelDeclInObjCContainer())
     --BeginIt;
 
-  LocDeclsTy::iterator
-    EndIt = std::upper_bound(LocDecls.begin(), LocDecls.end(),
-                             std::make_pair(Offset+Length, (Decl*)0),
-                             compLocDecl);
+  LocDeclsTy::iterator EndIt = std::upper_bound(
+      LocDecls.begin(), LocDecls.end(),
+      std::make_pair(Offset + Length, (Decl *)0), less_first());
   if (EndIt != LocDecls.end())
     ++EndIt;