[lld] 900f3f9 - [COFF] llvm::Optional => std::optional

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2022-12-03T20:23:39Z
New Revision: 900f3f9098d03eaf24cffdb22240fe35ea4bfb36

URL: https://github.com/llvm/llvm-project/commit/900f3f9098d03eaf24cffdb22240fe35ea4bfb36
DIFF: https://github.com/llvm/llvm-project/commit/900f3f9098d03eaf24cffdb22240fe35ea4bfb36.diff

LOG: [COFF] llvm::Optional => std::optional

Added: 
    

Modified: 
    lld/COFF/Driver.cpp

Removed: 
    


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diff  --git a/lld/COFF/Driver.cpp b/lld/COFF/Driver.cpp
index 84684b09d49f3..6a0c269b67a60 100644
--- a/lld/COFF/Driver.cpp
+++ b/lld/COFF/Driver.cpp
@@ -549,7 +549,7 @@ void LinkerDriver::detectWinSysRoot(const opt::InputArgList &Args) {
   // use. Check the environment next, in case we're being invoked from a VS
   // command prompt. Failing that, just try to find the newest Visual Studio
   // version we can and use its default VC toolchain.
-  Optional<StringRef> VCToolsDir, VCToolsVersion, WinSysRoot;
+  std::optional<StringRef> VCToolsDir, VCToolsVersion, WinSysRoot;
   if (auto *A = Args.getLastArg(OPT_vctoolsdir))
     VCToolsDir = A->getValue();
   if (auto *A = Args.getLastArg(OPT_vctoolsversion))
@@ -579,7 +579,7 @@ void LinkerDriver::detectWinSysRoot(const opt::InputArgList &Args) {
                          Args.getLastArg(OPT_vctoolsdir, OPT_winsysroot);
   if (Args.hasArg(OPT_lldignoreenv) || !Process::GetEnv("LIB") ||
       Args.getLastArg(OPT_winsdkdir, OPT_winsysroot)) {
-    Optional<StringRef> WinSdkDir, WinSdkVersion;
+    std::optional<StringRef> WinSdkDir, WinSdkVersion;
     if (auto *A = Args.getLastArg(OPT_winsdkdir))
       WinSdkDir = A->getValue();
     if (auto *A = Args.getLastArg(OPT_winsdkversion))