1 files changed, 7 insertions, 1 deletions
diff --git a/deps/v8/src/x64/lithium-codegen-x64.h b/deps/v8/src/x64/lithium-codegen-x64.h
index f5045b66a2..1331fba555 100644
--- a/deps/v8/src/x64/lithium-codegen-x64.h
+++ b/deps/v8/src/x64/lithium-codegen-x64.h
@@ -196,12 +196,18 @@ class LCodeGen BASE_EMBEDDED {
                                int argc,
                                LInstruction* instr);
 
+  enum RDIState {
+    RDI_UNINITIALIZED,
+    RDI_CONTAINS_TARGET
+  };
+
   // Generate a direct call to a known function.  Expects the function
   // to be in rdi.
   void CallKnownFunction(Handle<JSFunction> function,
                          int arity,
                          LInstruction* instr,
-                         CallKind call_kind);
+                         CallKind call_kind,
+                         RDIState rdi_state);
 
 
   void RecordSafepointWithLazyDeopt(LInstruction* instr,