[llvm] 20bdb45 - [FileCheck] Remove the last llvm::Optional

[Robinson, Paul via llvm-commits]

And of course, MaskRay had tried to replace Optional with std::optional,
while Benny _removed_ it.

never mind...
--paulr

> -----Original Message-----
> From: llvm-commits <llvm-commits-bounces at lists.llvm.org> On Behalf Of
> Robinson, Paul via llvm-commits
> Sent: Monday, December 19, 2022 5:21 PM
> To: David Blaikie <dblaikie at gmail.com>
> Cc: Benjamin Kramer <llvmlistbot at llvm.org>; llvm-commits at lists.llvm.org
> Subject: RE: [llvm] 20bdb45 - [FileCheck] Remove the last llvm::Optional
> 
> Sorry, forgot it wouldn't be linkified.
> https://urldefense.com/v3/__https://github.com/llvm/llvm-
> project/commit/9408164254d26d5305fe4e0267b668c41c1266ed__;!!JmoZiZGBv3RvKR
> Sx!4VUCzRqpuyIumbiwX5jPP-VIwXFDM1R0Nvm9i84_Jd4sUS-
> TQ3Rny58q6BlgUqpsKt0CrMA9KN9IW_CchfZqo1T5ZE5r$
> 
> MaskRay's commit to convert _most_ of FileCheck.cpp, but
> skipped this one place due to errors from MSVC/older GCC.