Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/CodeGen/SlotIndexes.h b/linux-x64/clang/include/llvm/CodeGen/SlotIndexes.h
index 5508222..63461d6 100644
--- a/linux-x64/clang/include/llvm/CodeGen/SlotIndexes.h
+++ b/linux-x64/clang/include/llvm/CodeGen/SlotIndexes.h
@@ -1,9 +1,8 @@
 //===- llvm/CodeGen/SlotIndexes.h - Slot indexes representation -*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -302,8 +301,6 @@
     }
   };
 
-  template <> struct isPodLike<SlotIndex> { static const bool value = true; };
-
   inline raw_ostream& operator<<(raw_ostream &os, SlotIndex li) {
     li.print(os);
     return os;
@@ -413,10 +410,14 @@
     /// Returns the base index for the given instruction.
     SlotIndex getInstructionIndex(const MachineInstr &MI) const {
       // Instructions inside a bundle have the same number as the bundle itself.
-      const MachineInstr &BundleStart = *getBundleStart(MI.getIterator());
-      assert(!BundleStart.isDebugInstr() &&
+      auto BundleStart = getBundleStart(MI.getIterator());
+      auto BundleEnd = getBundleEnd(MI.getIterator());
+      // Use the first non-debug instruction in the bundle to get SlotIndex.
+      const MachineInstr &BundleNonDebug =
+          *skipDebugInstructionsForward(BundleStart, BundleEnd);
+      assert(!BundleNonDebug.isDebugInstr() &&
              "Could not use a debug instruction to query mi2iMap.");
-      Mi2IndexMap::const_iterator itr = mi2iMap.find(&BundleStart);
+      Mi2IndexMap::const_iterator itr = mi2iMap.find(&BundleNonDebug);
       assert(itr != mi2iMap.end() && "Instruction not found in maps.");
       return itr->second;
     }
@@ -444,7 +445,7 @@
     /// MI is not required to have an index.
     SlotIndex getIndexBefore(const MachineInstr &MI) const {
       const MachineBasicBlock *MBB = MI.getParent();
-      assert(MBB && "MI must be inserted inna basic block");
+      assert(MBB && "MI must be inserted in a basic block");
       MachineBasicBlock::const_iterator I = MI, B = MBB->begin();
       while (true) {
         if (I == B)
@@ -461,7 +462,7 @@
     /// MI is not required to have an index.
     SlotIndex getIndexAfter(const MachineInstr &MI) const {
       const MachineBasicBlock *MBB = MI.getParent();
-      assert(MBB && "MI must be inserted inna basic block");
+      assert(MBB && "MI must be inserted in a basic block");
       MachineBasicBlock::const_iterator I = MI, E = MBB->end();
       while (true) {
         ++I;