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/MC/MCSectionWasm.h b/linux-x64/clang/include/llvm/MC/MCSectionWasm.h
index 1adc812..6211afe 100644
--- a/linux-x64/clang/include/llvm/MC/MCSectionWasm.h
+++ b/linux-x64/clang/include/llvm/MC/MCSectionWasm.h
@@ -13,22 +13,17 @@
 #ifndef LLVM_MC_MCSECTIONWASM_H
 #define LLVM_MC_MCSECTIONWASM_H
 
-#include "llvm/ADT/Twine.h"
 #include "llvm/MC/MCSection.h"
-#include "llvm/MC/MCSymbolWasm.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
 
 namespace llvm {
 
 class MCSymbol;
+class MCSymbolWasm;
+class StringRef;
+class raw_ostream;
 
 /// This represents a section on wasm.
 class MCSectionWasm final : public MCSection {
-  /// This is the name of the section.  The referenced memory is owned by
-  /// TargetLoweringObjectFileWasm's WasmUniqueMap.
-  StringRef SectionName;
-
   unsigned UniqueID;
 
   const MCSymbolWasm *Group;
@@ -45,18 +40,17 @@
   // Whether this data segment is passive
   bool IsPassive = false;
 
+  // The storage of Name is owned by MCContext's WasmUniquingMap.
   friend class MCContext;
-  MCSectionWasm(StringRef Section, SectionKind K, const MCSymbolWasm *group,
+  MCSectionWasm(StringRef Name, SectionKind K, const MCSymbolWasm *group,
                 unsigned UniqueID, MCSymbol *Begin)
-      : MCSection(SV_Wasm, K, Begin), SectionName(Section), UniqueID(UniqueID),
-        Group(group) {}
+      : MCSection(SV_Wasm, Name, K, Begin), UniqueID(UniqueID), Group(group) {}
 
 public:
   /// Decides whether a '.section' directive should be printed before the
   /// section name
   bool shouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
 
-  StringRef getSectionName() const { return SectionName; }
   const MCSymbolWasm *getGroup() const { return Group; }
 
   void PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
@@ -66,7 +60,8 @@
   bool isVirtualSection() const override;
 
   bool isWasmData() const {
-    return Kind.isGlobalWriteableData() || Kind.isReadOnly();
+    return Kind.isGlobalWriteableData() || Kind.isReadOnly() ||
+           Kind.isThreadLocal();
   }
 
   bool isUnique() const { return UniqueID != ~0U; }