For PR387:
Close out this long standing bug by removing the remaining overloaded
virtual functions in LLVM. The -Woverloaded-virtual option is now turned on.

llvm-svn: 29934
diff --git a/llvm/tools/opt/GraphPrinters.cpp b/llvm/tools/opt/GraphPrinters.cpp
index 8ae0a03..8c0ef77 100644
--- a/llvm/tools/opt/GraphPrinters.cpp
+++ b/llvm/tools/opt/GraphPrinters.cpp
@@ -65,6 +65,7 @@
     }
 
     void print(std::ostream &OS) const {}
+    void print(std::ostream &OS, const llvm::Module*) const {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<CallGraph>();