Throw when calling an undefined function

src/ast-value-factory.h

Index: src/ast-value-factory.h
diff --git a/src/ast-value-factory.h b/src/ast-value-factory.h
index c2bfb83ac0a4e35d046bc95cf5601149c887e856..588a69eb75c9d2f9d5353d22e04584cc9b79b59a 100644
--- a/src/ast-value-factory.h
+++ b/src/ast-value-factory.h
@@ -270,7 +270,8 @@ class AstValue : public ZoneObject {
   F(use_asm, "use asm")                         \
   F(use_strong, "use strong")                   \
   F(use_strict, "use strict")                   \
-  F(value, "value")
+  F(value, "value")                             \
+  F(throwLittleDan, "throwLittleDan")
 
 #define OTHER_CONSTANTS(F) \
   F(true_value)            \