Make it possible to test if the '-o' option is provided.

The following is now allowed:

    (case (not_empty "o"), do_something, ...)

This didn't work previously because "-o" is built-in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51751 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc2/AutoGenerated.cpp b/tools/llvmc2/AutoGenerated.cpp
index 213db01..30aeb8f 100644
--- a/tools/llvmc2/AutoGenerated.cpp
+++ b/tools/llvmc2/AutoGenerated.cpp
@@ -29,5 +29,7 @@
   extern const std::string& GetLanguage(const sys::Path& File);
 }
 
+extern cl::opt<std::string> OutputFilename;
+
 // The auto-generated file
 #include "AutoGenerated.inc"