1 files changed, 9 insertions, 0 deletions
diff --git a/ipc/ipdl/test/ipdl/ok/PAsyncReturn.ipdl b/ipc/ipdl/test/ipdl/ok/PAsyncReturn.ipdl
new file mode 100644
index 0000000000..5deae9216b
--- /dev/null
+++ b/ipc/ipdl/test/ipdl/ok/PAsyncReturn.ipdl
@@ -0,0 +1,9 @@
+// Async messages are not allowed to return values.
+
+//error: asynchronous message `Msg' declares return values
+
+[ChildProc=any]
+protocol PAsyncReturn {
+child:
+    async Msg() returns(int32_t aNumber);
+};