message: Add missing FileCheck application in lhlo_ops.mlir.
  Otherwise NFC.
diff: -// RUN: tf-opt %s -verify-diagnostics -split-input-file
  +// RUN: tf-opt %s -verify-diagnostics -split-input-file | tf-opt | FileCheck %s
  func @enforce_same_shape(%arg0: memref<1xf32>, %arg1: memref<2xf32>) -> () {
  // expected-error@+1{{'xla_lhlo.tanh' op requires all operands to have the same type}}
  