[llvm] 01fc2b8 - Revert "[FileCheck] Use std::optional in FileCheck.cpp (NFC)"

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-11-26T17:08:27-08:00
New Revision: 01fc2b8515924ae64461b117492acc31e65763d8

URL: https://github.com/llvm/llvm-project/commit/01fc2b8515924ae64461b117492acc31e65763d8
DIFF: https://github.com/llvm/llvm-project/commit/01fc2b8515924ae64461b117492acc31e65763d8.diff

LOG: Revert "[FileCheck] Use std::optional in FileCheck.cpp (NFC)"

This reverts commit e5a1ee531b2d325b0c793f849abbbbd4c9d315fd.

Build errors have been reported:

https://lab.llvm.org/buildbot/#/builders/123/builds/14344
https://lab.llvm.org/buildbot#builders/216/builds/13360

Added: 
    

Modified: 
    llvm/lib/FileCheck/FileCheck.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/FileCheck/FileCheck.cpp b/llvm/lib/FileCheck/FileCheck.cpp
index 0eb50aa6174f6..5d4cfceefb3ea 100644
--- a/llvm/lib/FileCheck/FileCheck.cpp
+++ b/llvm/lib/FileCheck/FileCheck.cpp
@@ -22,7 +22,6 @@
 #include "llvm/Support/FormatVariadic.h"
 #include <cstdint>
 #include <list>
-#include <optional>
 #include <set>
 #include <tuple>
 #include <utility>
@@ -696,7 +695,7 @@ Pattern::parseCallExpr(StringRef &Expr, StringRef FuncName,
   Expr = Expr.ltrim(SpaceChars);
   assert(Expr.startswith("("));
 
-  auto OptFunc = StringSwitch<std::optional<binop_eval_t>>(FuncName)
+  auto OptFunc = StringSwitch<Optional<binop_eval_t>>(FuncName)
                      .Case("add", operator+)
                      .Case("div", operator/)
                      .Case("max", max)