Add compatibility option


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6354 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/gccld.cpp b/tools/gccld/gccld.cpp
index 9a4c006..fd752d0 100644
--- a/tools/gccld/gccld.cpp
+++ b/tools/gccld/gccld.cpp
@@ -68,6 +68,8 @@
   CO4("version-script", cl::Hidden, cl::desc("Compatibility option: ignored"));
   cl::opt<bool>
   CO5("eh-frame-hdr", cl::Hidden, cl::desc("Compatibility option: ignored"));
+  cl::opt<bool>
+  CO6("r", cl::Hidden, cl::desc("Compatibility option: ignored"));
 }
 
 // FileExists - Return true if the specified string is an openable file...