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/IR/DebugInfo.h b/linux-x64/clang/include/llvm/IR/DebugInfo.h
index 171e162..e7c1d9a 100644
--- a/linux-x64/clang/include/llvm/IR/DebugInfo.h
+++ b/linux-x64/clang/include/llvm/IR/DebugInfo.h
@@ -16,6 +16,7 @@
 #ifndef LLVM_IR_DEBUGINFO_H
 #define LLVM_IR_DEBUGINFO_H
 
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/iterator_range.h"
@@ -23,8 +24,8 @@
 
 namespace llvm {
 
-class DbgDeclareInst;
-class DbgValueInst;
+class DbgVariableIntrinsic;
+class Instruction;
 class Module;
 
 /// Find subprogram that is enclosing this scope.
@@ -50,6 +51,13 @@
 ///   All debug type metadata nodes are unreachable and garbage collected.
 bool stripNonLineTableDebugInfo(Module &M);
 
+/// Update the debug locations contained within the MD_loop metadata attached
+/// to the instruction \p I, if one exists. \p Updater is applied to each debug
+/// location in the MD_loop metadata: the returned value is included in the
+/// updated loop metadata node if it is non-null.
+void updateLoopMetadataDebugLocations(
+    Instruction &I, function_ref<DILocation *(const DILocation &)> Updater);
+
 /// Return Debug Info Metadata Version by checking module flags.
 unsigned getDebugMetadataVersionFromModule(const Module &M);
 
@@ -68,10 +76,8 @@
   /// Process a single instruction and collect debug info anchors.
   void processInstruction(const Module &M, const Instruction &I);
 
-  /// Process DbgDeclareInst.
-  void processDeclare(const Module &M, const DbgDeclareInst *DDI);
-  /// Process DbgValueInst.
-  void processValue(const Module &M, const DbgValueInst *DVI);
+  /// Process DbgVariableIntrinsic.
+  void processVariable(const Module &M, const DbgVariableIntrinsic &DVI);
   /// Process debug info location.
   void processLocation(const Module &M, const DILocation *Loc);