Bug 1583581: Make promise-based async senders generated by IPDL use std::move to pass its arguments to the callback-based sender; r=nika

Differential Revision: https://phabricator.services.mozilla.com/D46968

--HG--
extra : moz-landing-system : lando

Author: dblohm7

ipc/ipdl/ipdl/lower.py

@@ -4778,7 +4778,7 @@ def sendAsyncWithPromise(self, md):
             ''',
             resolvetype=resolvetype)
 
-        args = [p.var() for p in md.params] + [resolve, reject]
+        args = [ExprMove(p.var()) for p in md.params] + [resolve, reject]
         stmt = StmtCode(
             '''
             RefPtr<${promise}> promise__ = new ${promise}(__func__);