[clang-doc] Explicitly cast to unique_ptr

Older compilers don't like the implicit cast & move when returning a
unique_ptr to an llvm::Expected type.

llvm-svn: 339785

1 files changed, 1 insertions, 1 deletions

diff --git a/clang-tools-extra/clang-doc/BitcodeReader.cpp b/clang-tools-extra/clang-doc/BitcodeReader.cpp
index dee0930..20cdc50 100644
--- a/clang-tools-extra/clang-doc/BitcodeReader.cpp
+++ b/clang-tools-extra/clang-doc/BitcodeReader.cpp
@@ -657,7 +657,7 @@ ClangDocBitcodeReader::createInfo(unsigned ID) {
   std::unique_ptr<Info> I = llvm::make_unique<T>();
   if (auto Err = readBlock(ID, static_cast<T *>(I.get())))
     return std::move(Err);
-  return I;
+  return std::unique_ptr<Info>{std::move(I)};;
 }
 
 llvm::Expected<std::unique_ptr<Info>>