[generators] Desugar yield*.

src/ast/ast-value-factory.h

Index: src/ast/ast-value-factory.h
diff --git a/src/ast/ast-value-factory.h b/src/ast/ast-value-factory.h
index 4ae912ea82d5e386a1dbf69a51507a48fc718871..b21595320f47f26537a5c7dab0c96d72a74d500a 100644
--- a/src/ast/ast-value-factory.h
+++ b/src/ast/ast-value-factory.h
@@ -263,9 +263,11 @@ class AstValue : public ZoneObject {
   F(proto, "__proto__")                         \
   F(prototype, "prototype")                     \
   F(rest_parameter, ".rest_parameter")          \
+  F(return, "return")                           \
   F(set_space, "set ")                          \
   F(this, "this")                               \
   F(this_function, ".this_function")            \
+  F(throw, "throw")                             \
   F(undefined, "undefined")                     \
   F(use_asm, "use asm")                         \
   F(use_strong, "use strong")                   \