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/MCXCOFFObjectWriter.h b/linux-x64/clang/include/llvm/MC/MCXCOFFObjectWriter.h
index fe4087f..faad2ce 100644
--- a/linux-x64/clang/include/llvm/MC/MCXCOFFObjectWriter.h
+++ b/linux-x64/clang/include/llvm/MC/MCXCOFFObjectWriter.h
@@ -28,6 +28,13 @@
   }
   bool is64Bit() const { return Is64Bit; }
 
+  // Returns relocation info such as type, sign and size.
+  // First element of the pair contains type,
+  // second element contains sign and size.
+  virtual std::pair<uint8_t, uint8_t>
+  getRelocTypeAndSignSize(const MCValue &Target, const MCFixup &Fixup,
+                          bool IsPCRel) const = 0;
+
 private:
   bool Is64Bit;
 };