Don't rely on implicit CallSite construction.

llvm-svn: 234600
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index a4cfac7..d82c58f 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -3021,7 +3021,7 @@
   if (CGM.getLangOpts().ObjCAutoRefCount)
     AddObjCARCExceptionMetadata(Inst);
 
-  return Inst;
+  return llvm::CallSite(Inst);
 }
 
 /// \brief Store a non-aggregate value to an address to initialize it.  For