Index: src/runtime.cc |
diff --git a/src/runtime.cc b/src/runtime.cc |
index f668ccf15ac9fb3ff9e3a9082943c1a473880276..f6c23a7d53bd17707f489f142333b92b0d2233e1 100644 |
--- a/src/runtime.cc |
+++ b/src/runtime.cc |
@@ -2672,6 +2672,14 @@ RUNTIME_FUNCTION(Runtime_FunctionIsGenerator) { |
} |
+RUNTIME_FUNCTION(Runtime_FunctionIsArrow) { |
+ SealHandleScope shs(isolate); |
+ ASSERT(args.length() == 1); |
+ CONVERT_ARG_CHECKED(JSFunction, f, 0); |
+ return isolate->heap()->ToBoolean(f->shared()->is_arrow()); |
+} |
+ |
+ |
RUNTIME_FUNCTION(Runtime_FunctionRemovePrototype) { |
SealHandleScope shs(isolate); |
ASSERT(args.length() == 1); |