Fix issues with buggy trailers in dynamic params.
Fix issues with buggy trailers in dynamic params.

flurischt/jedi,WoLpH/jedi,mfussenegger/jedi,jonashaag/jedi,tjwei/jedi,jonashaag/jedi,dwillmer/jedi,dwillmer/jedi,tjwei/jedi,flurischt/jedi,mfussenegger/jedi,WoLpH/jedi