(In reply to Henri Valta from comment #10) > Looking to start the bisect run now. > > It took a bit of time to reproduce the crash with plain git build. It seems > that the crash only happens when mesa is built with CFLAGS="-O2" > > If I omit the O2, then the game works fine. Thanks for the save game, however it seems to run without crashing on my machine. I wonder if this is actually a compiler bug rather than a Mesa bug given your find above.