message: [MLIR] Fix debug build
  Debug build was broken in convert_stripe_to_affine.cc
diff: @@ -41,6 +41,7 @@ namespace conversion {
  namespace stripe_to_affine {
  using mlir::ArrayAttr;
  +using mlir::isa;
  using mlir::OpRewritePattern;
  using mlir::PatternMatchResult;
  using mlir::PatternRewriter;
  @@ -68,7 +69,7 @@ PatternMatchResult ParallelForOpConverter::matchAndRewrite(ParallelForOp forOp,
  // one.
  auto& parentBlockOps = forOp.getOperation()->getBlock()->getOperations();
  auto& forBodyOps = forBodyRegion.front().getOperations();
  - assert(parentBlockOps.back().isa<TerminateOp>() && "Expected terminator");
  + assert(isa<TerminateOp>(parentBlockOps.back()) && "Expected terminator");
  parentBlockOps.splice(mlir::Block::iterator(forOp), forBodyOps, forBodyOps.begin(), std::prev(forBodyOps.end()));
  } else {
  llvm_unreachable("ParallelForOp not supported yet");
  