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/Analysis/IteratedDominanceFrontier.h b/linux-x64/clang/include/llvm/Analysis/IteratedDominanceFrontier.h
index 1fa1db5..8166b52 100644
--- a/linux-x64/clang/include/llvm/Analysis/IteratedDominanceFrontier.h
+++ b/linux-x64/clang/include/llvm/Analysis/IteratedDominanceFrontier.h
@@ -9,7 +9,7 @@
 #ifndef LLVM_ANALYSIS_IDF_H
 #define LLVM_ANALYSIS_IDF_H
 
-#include "llvm/IR/CFGDiff.h"
+#include "llvm/Support/CFGDiff.h"
 #include "llvm/Support/GenericIteratedDominanceFrontier.h"
 
 namespace llvm {
@@ -63,8 +63,7 @@
 
 template <bool IsPostDom>
 typename ChildrenGetterTy<BasicBlock, IsPostDom>::ChildrenTy
-ChildrenGetterTy<BasicBlock, IsPostDom>::get(
-    const ChildrenGetterTy<BasicBlock, IsPostDom>::NodeRef &N) {
+ChildrenGetterTy<BasicBlock, IsPostDom>::get(const NodeRef &N) {
 
   using OrderedNodeTy =
       typename IDFCalculatorBase<BasicBlock, IsPostDom>::OrderedNodeTy;
@@ -74,13 +73,7 @@
     return {Children.begin(), Children.end()};
   }
 
-  using SnapShotBBPairTy =
-      std::pair<const GraphDiff<BasicBlock *, IsPostDom> *, OrderedNodeTy>;
-
-  ChildrenTy Ret;
-  for (const auto &SnapShotBBPair : children<SnapShotBBPairTy>({GD, N}))
-    Ret.emplace_back(SnapShotBBPair.second);
-  return Ret;
+  return GD->template getChildren<IsPostDom>(N);
 }
 
 } // end of namespace IDFCalculatorDetail