message: update outdated doc
  update outdated doc
diff: @@ -63,9 +63,9 @@ class XlaCompilationCache : public ResourceBase {
  // and `out_executable`. If `compile_mode` is `kStrict` then the compilation
  // cache always attempts the compilation on a cache miss.
  //
  - // The result of compilation is written to `*compilation_result`, which must
  - // be non-null. If `executable` is non-null, also builds an
  - // xla::LocalExecutable and sets `executable` to point to it. The resulting
  + // The result of compilation is written to `*out_compilation_result`, which must
  + // be non-null. If `out_executable` is non-null, also builds an
  + // xla::LocalExecutable and sets `out_executable` to point to it. The resulting
  // executable pointer may be null if the computation has no non-constant
  // outputs.
  Status Compile(const XlaCompiler::Options& options,
  