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/Transforms/Utils.h b/linux-x64/clang/include/llvm/Transforms/Utils.h
index 6e03453..9162a86 100644
--- a/linux-x64/clang/include/llvm/Transforms/Utils.h
+++ b/linux-x64/clang/include/llvm/Transforms/Utils.h
@@ -26,6 +26,12 @@
 ModulePass *createMetaRenamerPass();
 
 //===----------------------------------------------------------------------===//
+// createUniqueInternalLinkageNamesPass - Make internal linkage symbol names
+// unique.
+//
+ModulePass *createUniqueInternalLinkageNamesPass();
+
+//===----------------------------------------------------------------------===//
 //
 // LowerInvoke - This pass removes invoke instructions, converting them to call
 // instructions.
@@ -111,7 +117,7 @@
 
 /// This function returns a new pass that downgrades the debug info in the
 /// module to line tables only.
-ModulePass *createStripNonLineTableDebugInfoPass();
+ModulePass *createStripNonLineTableDebugLegacyPass();
 
 //===----------------------------------------------------------------------===//
 //
@@ -119,6 +125,42 @@
 // number of conditional branches in the hot paths based on profiles.
 //
 FunctionPass *createControlHeightReductionLegacyPass();
-}
+
+//===----------------------------------------------------------------------===//
+//
+// InjectTLIMappingsLegacy - populates the VFABI attribute with the
+// scalar-to-vector mappings from the TargetLibraryInfo.
+//
+FunctionPass *createInjectTLIMappingsLegacyPass();
+
+//===----------------------------------------------------------------------===//
+//
+// UnifyLoopExits - For each loop, creates a new block N such that all exiting
+// blocks branch to N, and then N distributes control flow to all the original
+// exit blocks.
+//
+FunctionPass *createUnifyLoopExitsPass();
+
+//===----------------------------------------------------------------------===//
+//
+// FixIrreducible - Convert each SCC with irreducible control-flow
+// into a natural loop.
+//
+FunctionPass *createFixIrreduciblePass();
+
+//===----------------------------------------------------------------------===//
+//
+// AssumeSimplify - remove redundant assumes and merge assumes in the same
+// BasicBlock when possible.
+//
+FunctionPass *createAssumeSimplifyPass();
+
+//===----------------------------------------------------------------------===//
+//
+// CanonicalizeFreezeInLoops - Canonicalize freeze instructions in loops so they
+// don't block SCEV.
+//
+Pass *createCanonicalizeFreezeInLoopsPass();
+} // namespace llvm
 
 #endif