[arm64] Generate adds/ands.

src/compiler/instruction-selector-impl.h

Index: src/compiler/instruction-selector-impl.h
diff --git a/src/compiler/instruction-selector-impl.h b/src/compiler/instruction-selector-impl.h
index be24e2dcd340539724a5017f7f590591783678c3..bd31c677189693ac01edef160352d3c94432e86d 100644
--- a/src/compiler/instruction-selector-impl.h
+++ b/src/compiler/instruction-selector-impl.h
@@ -354,6 +354,8 @@ class FlagsContinuation final {
     condition_ = CommuteFlagsCondition(condition_);
   }
 
+  void Overwrite(FlagsCondition condition) { condition_ = condition; }
+
   void OverwriteAndNegateIfEqual(FlagsCondition condition) {
     bool negate = condition_ == kEqual;
     condition_ = condition;