[Ubuntu]GZDoom 4.5.0 crashes when hardware renderer selected

Wed Jan 20, 2021 9:02 pm

When you select Hardware Renderer as the renderer for GZDoom, then start a level, the game crashes with a fatal error
Code:
Compile Shader 'shaders/pp/shadowmap.fp':
0:23(29): error: syntax error, unexpected NEW_IDENTIFIER


Here's the log for the session:
Spoiler: