Index: lib/Analysis/TargetLibraryInfo.cpp
===================================================================
--- lib/Analysis/TargetLibraryInfo.cpp
+++ lib/Analysis/TargetLibraryInfo.cpp
@@ -730,7 +730,6 @@
   case LibFunc::flockfile:
   case LibFunc::funlockfile:
   case LibFunc::ftrylockfile:
-    return (NumParams == 0 && FTy.getParamType(0)->isPointerTy());
   case LibFunc::ferror:
     return (NumParams == 1 && FTy.getParamType(0)->isPointerTy());
   case LibFunc::fputc: