Land the Fan (disabled)

src/arm64/lithium-arm64.h

Index: src/arm64/lithium-arm64.h
diff --git a/src/arm64/lithium-arm64.h b/src/arm64/lithium-arm64.h
index 865a09501b0c5733e810f1c8ba773e5e9ae88a67..decfd34f86dd6123bbe622da29def1094a88bce3 100644
--- a/src/arm64/lithium-arm64.h
+++ b/src/arm64/lithium-arm64.h
@@ -234,6 +234,9 @@ class LInstruction : public ZoneObject {
 
   virtual bool IsControl() const { return false; }
 
+  // Try deleting this instruction if possible.
+  virtual bool TryDelete() { return false; }
+
   void set_environment(LEnvironment* env) { environment_ = env; }
   LEnvironment* environment() const { return environment_; }
   bool HasEnvironment() const { return environment_ != NULL; }