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authorKrzysztof Parzyszek <kparzysz@quicinc.com>2022-12-18 11:19:40 -0800
committerKrzysztof Parzyszek <kparzysz@quicinc.com>2022-12-18 11:23:54 -0800
commit205c0589f918f95d2f2c586a01bea2716d73d603 (patch)
tree38b2227ab6d17d7d189f32a23e5498404d45b634 /clang/lib/Frontend/FrontendAction.cpp
parenta538f7cfb1d71cd1a71b5b6d9fe8672a8b6d973e (diff)
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Revert "[clang] Convert OptionalFileEntryRefDegradesToFileEntryPtr to std::optional"
This reverts commit 8f0df9f3bbc6d7f3d5cbfd955c5ee4404c53a75d. The Optional*RefDegradesTo*EntryPtr types want to keep the same size as the underlying type, which std::optional doesn't guarantee. For use with llvm::Optional, they define their own storage class, and there is no way to do that in std::optional. On top of that, that commit broke builds with older GCCs, where std::optional was not trivially copyable (static_assert in the clang sources was failing).
Diffstat (limited to 'clang/lib/Frontend/FrontendAction.cpp')
-rw-r--r--clang/lib/Frontend/FrontendAction.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index a3b4080..e97a2dd 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -40,7 +40,6 @@
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include <memory>
-#include <optional>
#include <system_error>
using namespace clang;
@@ -824,7 +823,7 @@ bool FrontendAction::BeginSourceFile(CompilerInstance &CI,
Dir = *DirOrErr;
SmallVector<std::pair<const FileEntry *, const DirectoryEntry *>, 1> CWD;
CWD.push_back({nullptr, Dir});
- std::optional<FileEntryRef> FE =
+ Optional<FileEntryRef> FE =
HS.LookupFile(FileName, SourceLocation(),
/*Angled*/ Input.getKind().getHeaderUnitKind() ==
InputKind::HeaderUnit_System,