From d5086ac3aa308bb1ef177834366eeaf7b39bb17e Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Fri, 13 Dec 2019 21:29:23 -0500
Subject: Bug 1331092 - Part 2: Implement Async Generator except yield*.

Tag #1287
---
 js/src/vm/Interpreter.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'js/src/vm/Interpreter.cpp')

diff --git a/js/src/vm/Interpreter.cpp b/js/src/vm/Interpreter.cpp
index 92bb18b36..4d5927324 100644
--- a/js/src/vm/Interpreter.cpp
+++ b/js/src/vm/Interpreter.cpp
@@ -39,6 +39,7 @@
 #include "jit/Ion.h"
 #include "jit/IonAnalysis.h"
 #include "vm/AsyncFunction.h"
+#include "vm/AsyncIteration.h"
 #include "vm/Debugger.h"
 #include "vm/GeneratorObject.h"
 #include "vm/Opcodes.h"
@@ -1939,7 +1940,6 @@ CASE(EnableInterruptsPseudoOpcode)
 CASE(JSOP_NOP)
 CASE(JSOP_NOP_DESTRUCTURING)
 CASE(JSOP_UNUSED126)
-CASE(JSOP_UNUSED192)
 CASE(JSOP_UNUSED210)
 CASE(JSOP_UNUSED211)
 CASE(JSOP_TRY_DESTRUCTURING_ITERCLOSE)
@@ -3584,6 +3584,18 @@ CASE(JSOP_TOASYNC)
 }
 END_CASE(JSOP_TOASYNC)
 
+CASE(JSOP_TOASYNCGEN)
+{
+    ReservedRooted<JSFunction*> unwrapped(&rootFunction0,
+                                          &REGS.sp[-1].toObject().as<JSFunction>());
+    JSObject* wrapped = WrapAsyncGenerator(cx, unwrapped);
+    if (!wrapped)
+        goto error;
+
+    REGS.sp[-1].setObject(*wrapped);
+}
+END_CASE(JSOP_TOASYNCGEN)
+
 CASE(JSOP_SETFUNNAME)
 {
     MOZ_ASSERT(REGS.stackDepth() >= 2);
-- 
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