Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/MC/MCInstrDesc.h b/linux-x64/clang/include/llvm/MC/MCInstrDesc.h
index ba97aeb..ad5a3e9 100644
--- a/linux-x64/clang/include/llvm/MC/MCInstrDesc.h
+++ b/linux-x64/clang/include/llvm/MC/MCInstrDesc.h
@@ -1,9 +1,8 @@
 //===-- llvm/MC/MCInstrDesc.h - Instruction Descriptors -*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -151,7 +150,8 @@
   InsertSubreg,
   Convergent,
   Add,
-  Trap
+  Trap,
+  VariadicOpsAreDefs,
 };
 }
 
@@ -383,6 +383,11 @@
   /// additional values.
   bool isConvergent() const { return Flags & (1ULL << MCID::Convergent); }
 
+  /// Return true if variadic operands of this instruction are definitions.
+  bool variadicOpsAreDefs() const {
+    return Flags & (1ULL << MCID::VariadicOpsAreDefs);
+  }
+
   //===--------------------------------------------------------------------===//
   // Side Effect Analysis
   //===--------------------------------------------------------------------===//