Assert instead of silently handling freed VM.
Assert instead of silently handling freed VM.

foresterre/wren,Nelarius/wren,Rohansi/wren,bigdimboom/wren,munificent/wren,Nelarius/wren,minirop/wren,Rohansi/wren,munificent/wren,bigdimboom/wren,munificent/wren,Rohansi/wren,Nave-Neel/wren,bigdimboom/wren,Nelarius/wren,foresterre/wren,Nave-Neel/wren,Rohansi/wren,Nelarius/wren,foresterre/wren,minirop/wren,munificent/wren,minirop/wren,minirop/wren,munificent/wren,foresterre/wren,minirop/wren,munificent/wren,foresterre/wren,Nelarius/wren,bigdimboom/wren,Nave-Neel/wren,Nave-Neel/wren