Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/CodeGen/RegAllocRegistry.h b/linux-x64/clang/include/llvm/CodeGen/RegAllocRegistry.h
index 481747d..7077aa3 100644
--- a/linux-x64/clang/include/llvm/CodeGen/RegAllocRegistry.h
+++ b/linux-x64/clang/include/llvm/CodeGen/RegAllocRegistry.h
@@ -1,9 +1,8 @@
 //===- llvm/CodeGen/RegAllocRegistry.h --------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -26,14 +25,14 @@
 /// RegisterRegAlloc class - Track the registration of register allocators.
 ///
 //===----------------------------------------------------------------------===//
-class RegisterRegAlloc : public MachinePassRegistryNode {
+class RegisterRegAlloc : public MachinePassRegistryNode<FunctionPass *(*)()> {
 public:
   using FunctionPassCtor = FunctionPass *(*)();
 
-  static MachinePassRegistry Registry;
+  static MachinePassRegistry<FunctionPassCtor> Registry;
 
   RegisterRegAlloc(const char *N, const char *D, FunctionPassCtor C)
-      : MachinePassRegistryNode(N, D, (MachinePassCtor)C) {
+      : MachinePassRegistryNode(N, D, C) {
     Registry.Add(this);
   }
 
@@ -48,15 +47,11 @@
     return (RegisterRegAlloc *)Registry.getList();
   }
 
-  static FunctionPassCtor getDefault() {
-    return (FunctionPassCtor)Registry.getDefault();
-  }
+  static FunctionPassCtor getDefault() { return Registry.getDefault(); }
 
-  static void setDefault(FunctionPassCtor C) {
-    Registry.setDefault((MachinePassCtor)C);
-  }
+  static void setDefault(FunctionPassCtor C) { Registry.setDefault(C); }
 
-  static void setListener(MachinePassRegistryListener *L) {
+  static void setListener(MachinePassRegistryListener<FunctionPassCtor> *L) {
     Registry.setListener(L);
   }
 };