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/Support/BinaryStreamRef.h b/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h
index 7427b8d..ba4c387 100644
--- a/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h
+++ b/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h
@@ -121,12 +121,12 @@
 
   bool valid() const { return BorrowedImpl != nullptr; }
 
-  bool operator==(const RefType &Other) const {
-    if (BorrowedImpl != Other.BorrowedImpl)
+  friend bool operator==(const RefType &LHS, const RefType &RHS) {
+    if (LHS.BorrowedImpl != RHS.BorrowedImpl)
       return false;
-    if (ViewOffset != Other.ViewOffset)
+    if (LHS.ViewOffset != RHS.ViewOffset)
       return false;
-    if (Length != Other.Length)
+    if (LHS.Length != RHS.Length)
       return false;
     return true;
   }
@@ -198,7 +198,7 @@
 };
 
 struct BinarySubstreamRef {
-  uint32_t Offset;            // Offset in the parent stream
+  uint32_t Offset = 0;        // Offset in the parent stream
   BinaryStreamRef StreamData; // Stream Data
 
   BinarySubstreamRef slice(uint32_t Off, uint32_t Size) const {
@@ -211,8 +211,8 @@
   BinarySubstreamRef keep_front(uint32_t N) const { return slice(0, N); }
 
   std::pair<BinarySubstreamRef, BinarySubstreamRef>
-  split(uint32_t Offset) const {
-    return std::make_pair(keep_front(Offset), drop_front(Offset));
+  split(uint32_t Off) const {
+    return std::make_pair(keep_front(Off), drop_front(Off));
   }
 
   uint32_t size() const { return StreamData.getLength(); }