Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/Spiller.cpp

@@ -185,6 +185,8 @@ public:
 
 } // end anonymous namespace
 
+void Spiller::anchor() { }
+
 llvm::Spiller* llvm::createSpiller(MachineFunctionPass &pass,
                                    MachineFunction &mf,
                                    VirtRegMap &vrm) {