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-c/OrcEE.h b/linux-x64/clang/include/llvm-c/OrcEE.h
new file mode 100644
index 0000000..2435e74
--- /dev/null
+++ b/linux-x64/clang/include/llvm-c/OrcEE.h
@@ -0,0 +1,55 @@
+/*===-- llvm-c/OrcEE.h - OrcV2 C bindings ExecutionEngine utils -*- 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                    *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header declares the C interface to ExecutionEngine based utils, e.g.  *|
+|* RTDyldObjectLinkingLayer (based on RuntimeDyld) in Orc.                    *|
+|*                                                                            *|
+|* Many exotic languages can interoperate with C code but have a harder time  *|
+|* with C++ due to name mangling. So in addition to C, this interface enables *|
+|* tools written in such languages.                                           *|
+|*                                                                            *|
+|* Note: This interface is experimental. It is *NOT* stable, and may be       *|
+|*       changed without warning. Only C API usage documentation is           *|
+|*       provided. See the C++ documentation for all higher level ORC API     *|
+|*       details.                                                             *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_C_ORCEE_H
+#define LLVM_C_ORCEE_H
+
+#include "llvm-c/Error.h"
+#include "llvm-c/ExecutionEngine.h"
+#include "llvm-c/Orc.h"
+#include "llvm-c/TargetMachine.h"
+#include "llvm-c/Types.h"
+
+LLVM_C_EXTERN_C_BEGIN
+
+/**
+ * Create a RTDyldObjectLinkingLayer instance using the standard
+ * SectionMemoryManager for memory management.
+ */
+LLVMOrcObjectLayerRef
+LLVMOrcCreateRTDyldObjectLinkingLayerWithSectionMemoryManager(
+    LLVMOrcExecutionSessionRef ES);
+
+/**
+ * Add the given listener to the given RTDyldObjectLinkingLayer.
+ *
+ * Note: Layer must be an RTDyldObjectLinkingLayer instance or
+ * behavior is undefined.
+ */
+void LLVMOrcRTDyldObjectLinkingLayerRegisterJITEventListener(
+    LLVMOrcObjectLayerRef RTDyldObjLinkingLayer,
+    LLVMJITEventListenerRef Listener);
+
+LLVM_C_EXTERN_C_END
+
+#endif /* LLVM_C_ORCEE_H */