Suppress all uses of LLVM_END_WITH_NULL. NFC.

Use variadic templates instead of relying on <cstdarg> + sentinel.
This enforces better type checking and makes code more readable.

Differential Revision: https://reviews.llvm.org/D32541

llvm-svn: 302571

llvm/lib/IR/Module.cpp

@@ -30,7 +30,6 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/RandomNumberGenerator.h"
 #include <algorithm>
-#include <cstdarg>
 #include <cstdlib>
 
 using namespace llvm;