Remove function that is newly dead as of r173538.

llvm-svn: 173550

1 files changed, 0 insertions, 4 deletions

diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index c0482767caf..5dc2a6a7002 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -373,10 +373,6 @@ namespace {
     UndefinedInternal(NamedDecl *decl, FullSourceLoc useLoc)
       : decl(decl), useLoc(useLoc) {}
   };
-
-  bool operator<(const UndefinedInternal &l, const UndefinedInternal &r) {
-    return l.useLoc.isBeforeInTranslationUnitThan(r.useLoc);
-  }
 }
 
 /// checkUndefinedInternals - Check for undefined objects with internal linkage.