1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit/BaselineCompiler.cpp b/js/src/jit/BaselineCompiler.cpp
index 52c3eccef..4f4ca8b89 100644
--- a/js/src/jit/BaselineCompiler.cpp
+++ b/js/src/jit/BaselineCompiler.cpp
@@ -25,6 +25,7 @@
 #include "jit/VMFunctions.h"
 #include "js/UniquePtr.h"
 #include "vm/AsyncFunction.h"
+#include "vm/AsyncIteration.h"
 #include "vm/EnvironmentObject.h"
 #include "vm/Interpreter.h"
 #include "vm/TraceLogging.h"
@@ -3908,6 +3909,28 @@ BaselineCompiler::emit_JSOP_TOASYNC()
     return true;
 }
 
+typedef JSObject* (*ToAsyncGenFn)(JSContext*, HandleFunction);
+static const VMFunction ToAsyncGenInfo =
+    FunctionInfo<ToAsyncGenFn>(js::WrapAsyncGenerator, "ToAsyncGen");
+
+bool
+BaselineCompiler::emit_JSOP_TOASYNCGEN()
+{
+    frame.syncStack(0);
+    masm.unboxObject(frame.addressOfStackValue(frame.peek(-1)), R0.scratchReg());
+
+    prepareVMCall();
+    pushArg(R0.scratchReg());
+
+    if (!callVM(ToAsyncGenInfo))
+        return false;
+
+    masm.tagValue(JSVAL_TYPE_OBJECT, ReturnReg, R0);
+    frame.pop();
+    frame.push(R0);
+    return true;
+}
+
 typedef bool (*ThrowObjectCoercibleFn)(JSContext*, HandleValue);
 static const VMFunction ThrowObjectCoercibleInfo =
     FunctionInfo<ThrowObjectCoercibleFn>(ThrowObjectCoercible, "ThrowObjectCoercible");