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/llvm/TextAPI/MachO/Target.h b/linux-x64/clang/include/llvm/TextAPI/MachO/Target.h
new file mode 100644
index 0000000..5fe44cb
--- /dev/null
+++ b/linux-x64/clang/include/llvm/TextAPI/MachO/Target.h
@@ -0,0 +1,68 @@
+//===- llvm/TextAPI/Target.h - TAPI Target ----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TEXTAPI_MACHO_TARGET_H
+#define LLVM_TEXTAPI_MACHO_TARGET_H
+
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/Error.h"
+#include "llvm/TextAPI/MachO/Architecture.h"
+#include "llvm/TextAPI/MachO/ArchitectureSet.h"
+#include "llvm/TextAPI/MachO/Platform.h"
+
+namespace llvm {
+namespace MachO {
+
+// This is similar to a llvm Triple, but the triple doesn't have all the
+// information we need. For example there is no enum value for x86_64h. The
+// only way to get that information is to parse the triple string.
+class Target {
+public:
+  Target() = default;
+  Target(Architecture Arch, PlatformKind Platform)
+      : Arch(Arch), Platform(Platform) {}
+  explicit Target(const llvm::Triple &Triple)
+      : Arch(mapToArchitecture(Triple)), Platform(mapToPlatformKind(Triple)) {}
+
+  static llvm::Expected<Target> create(StringRef Target);
+
+  operator std::string() const;
+
+  Architecture Arch;
+  PlatformKind Platform;
+};
+
+inline bool operator==(const Target &LHS, const Target &RHS) {
+  return std::tie(LHS.Arch, LHS.Platform) == std::tie(RHS.Arch, RHS.Platform);
+}
+
+inline bool operator!=(const Target &LHS, const Target &RHS) {
+  return std::tie(LHS.Arch, LHS.Platform) != std::tie(RHS.Arch, RHS.Platform);
+}
+
+inline bool operator<(const Target &LHS, const Target &RHS) {
+  return std::tie(LHS.Arch, LHS.Platform) < std::tie(RHS.Arch, RHS.Platform);
+}
+
+inline bool operator==(const Target &LHS, const Architecture &RHS) {
+  return LHS.Arch == RHS;
+}
+
+inline bool operator!=(const Target &LHS, const Architecture &RHS) {
+  return LHS.Arch != RHS;
+}
+
+PlatformSet mapToPlatformSet(ArrayRef<Target> Targets);
+ArchitectureSet mapToArchitectureSet(ArrayRef<Target> Targets);
+
+raw_ostream &operator<<(raw_ostream &OS, const Target &Target);
+
+} // namespace MachO
+} // namespace llvm
+
+#endif // LLVM_TEXTAPI_MACHO_TARGET_H