message: remove the const quantifier before temp variable
diff: @@ -261,7 +261,7 @@ std::vector<tblgen::AppliedConstraint> tblgen::Pattern::getConstraints() const {
  int tblgen::Pattern::getBenefit() const {
  // The default benefit value is a heristic with number of ops in the source
  // pattern.
  - const int defaultBenefit = getSourcePattern().getNumOps();
  + int defaultBenefit = getSourcePattern().getNumOps();
  llvm::DagInit *delta = def.getValueAsDag("benefitDelta");
  if (delta->getNumArgs() != 1 || !isa<llvm::IntInit>(delta->getArg(0)))
  PrintFatalError(def.getLoc(), "The 'AddedBenefit' can only be an integer");
  