xf86-video-intel: segfault when built with clang

Submitted by e5ten.arch@gmail.com

Assigned to Chris Wilson @ickle

Link to original bug (#112236)

Description

Created attachment 145916
log file from someone else who was able to reproduce

On git master (current commit bff5eca4) and before then for a while, building xf86-video-intel with clang leads to a guaranteed segfault when attempting to start xorg.

Attachment 145916, "log file from someone else who was able to reproduce":
xorg.log