Revert r111007.

Apparently, this is now fixed in Clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111032 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/TableGen.cpp

@@ -146,6 +146,9 @@ namespace {
   OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"),
                  cl::init("-"));
 
+  cl::opt<std::string>
+  InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
+
   cl::list<std::string>
   IncludeDirs("I", cl::desc("Directory of include files"),
               cl::value_desc("directory"), cl::Prefix);
@@ -158,9 +161,6 @@ namespace {
 
 
 // FIXME: Eliminate globals from tblgen.
-cl::opt<std::string>
-InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
-
 RecordKeeper llvm::Records;
 
 static SourceMgr SrcMgr;