Update clang to r339409b.

Change-Id: Ied8a188bb072c40035320acedc86164b66d920af
diff --git a/linux-x64/clang/include/llvm/Analysis/TargetTransformInfoImpl.h b/linux-x64/clang/include/llvm/Analysis/TargetTransformInfoImpl.h
index d80ae1d..e39fe66 100644
--- a/linux-x64/clang/include/llvm/Analysis/TargetTransformInfoImpl.h
+++ b/linux-x64/clang/include/llvm/Analysis/TargetTransformInfoImpl.h
@@ -158,6 +158,8 @@
     case Intrinsic::dbg_label:
     case Intrinsic::invariant_start:
     case Intrinsic::invariant_end:
+    case Intrinsic::launder_invariant_group:
+    case Intrinsic::strip_invariant_group:
     case Intrinsic::lifetime_start:
     case Intrinsic::lifetime_end:
     case Intrinsic::objectsize: