Add OptTable::PrintHelp.

llvm-svn: 90420
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 87357cf..7c21594 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -312,6 +312,8 @@
   return Name;
 }
 
+// FIXME: Move -ccc options to real options in the .td file (or eliminate), and
+// then move to using OptTable::PrintHelp.
 void Driver::PrintHelp(bool ShowHidden) const {
   llvm::raw_ostream &OS = llvm::outs();