don't bother encoding # varargs

llvm-svn: 36705

llvm/lib/Bitcode/Writer/BitcodeWriter.cpp

@@ -660,7 +660,6 @@ static void WriteInstruction(const Instruction &I, ValueEnumerator &VE,
     // Emit type/value pairs for varargs params.
     if (FTy->isVarArg()) {
       unsigned NumVarargs = I.getNumOperands()-1-FTy->getNumParams();
-      Vals.push_back(NumVarargs);
       for (unsigned i = I.getNumOperands()-NumVarargs, e = I.getNumOperands();
            i != e; ++i) {
         Vals.push_back(VE.getTypeID(I.getOperand(i)->getType()));