[Isolates] Pass current isolate address to the regexp native functions

src/x64/simulator-x64.h

Index: src/x64/simulator-x64.h
diff --git a/src/x64/simulator-x64.h b/src/x64/simulator-x64.h
index a0fc3cbf4f04a75aa22991311315b263c1c3140e..9d6d6cf06a6775f33ca8d25fbec2a3f355402981 100644
--- a/src/x64/simulator-x64.h
+++ b/src/x64/simulator-x64.h
@@ -53,9 +53,9 @@ class SimulatorStack : public v8::internal::AllStatic {
 };
 
 // Call the generated regexp code directly. The entry function pointer should
-// expect eight int/pointer sized arguments and return an int.
-#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6) \
-  entry(p0, p1, p2, p3, p4, p5, p6)
+// expect nine int/pointer sized arguments and return an int.
+#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7) \
+  entry(p0, p1, p2, p3, p4, p5, p6, p7)
 
 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
   reinterpret_cast<TryCatch*>(try_catch_address)