Update prebuilt Clang to r416183b from Android.

https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef

clang 12.0.5 (based on r416183b) from build 7284624.

Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/lld/ReaderWriter/MachOLinkingContext.h b/linux-x64/clang/include/lld/ReaderWriter/MachOLinkingContext.h
index f48ad77..974f323 100644
--- a/linux-x64/clang/include/lld/ReaderWriter/MachOLinkingContext.h
+++ b/linux-x64/clang/include/lld/ReaderWriter/MachOLinkingContext.h
@@ -55,8 +55,8 @@
 
   enum class ExportMode {
     globals,    // Default, all global symbols exported.
-    whiteList,  // -exported_symbol[s_list], only listed symbols exported.
-    blackList   // -unexported_symbol[s_list], no listed symbol exported.
+    exported,   // -exported_symbol[s_list], only listed symbols exported.
+    unexported  // -unexported_symbol[s_list], no listed symbol exported.
   };
 
   enum class DebugInfoMode {
@@ -101,7 +101,7 @@
     auto file = std::unique_ptr<T>(new T(std::forward<Args>(args)...));
     auto *filePtr = file.get();
     auto *ctx = const_cast<MachOLinkingContext *>(this);
-    ctx->getNodes().push_back(llvm::make_unique<FileNode>(std::move(file)));
+    ctx->getNodes().push_back(std::make_unique<FileNode>(std::move(file)));
     return filePtr;
   }
 
@@ -248,7 +248,7 @@
   /// installed dynamic library.
   uint32_t compatibilityVersion() const { return _compatibilityVersion; }
 
-  /// The dylib's current version, in the the raw uint32 format.
+  /// The dylib's current version, in the raw uint32 format.
   ///
   /// When building a dynamic library, this is the current version that gets
   /// embedded into the result. Other Mach-O binaries that link against
@@ -423,8 +423,6 @@
 private:
   Writer &writer() const override;
   mach_o::MachODylibFile* loadIndirectDylib(StringRef path);
-  void checkExportWhiteList(const DefinedAtom *atom) const;
-  void checkExportBlackList(const DefinedAtom *atom) const;
   struct ArchInfo {
     StringRef                 archName;
     MachOLinkingContext::Arch arch;