
This is another followup to a test added in #148424 that I missed in #152805 This test runs `mlir-opt %s | mlir-opt %s | FileCheck` to test the round trip behavior, but the second command takes input from the pipe, not the lit test, so it should be `mlir-opt %s | mlir-opt | FileCheck`.
Multi-Level Intermediate Representation
See https://mlir.llvm.org/ for more information.