https://bugs.freedesktop.org/show_bug.cgi?id=80876
--- Comment #5 from Aaron Watry awatry@gmail.com --- The bitcode and hangs were all reproduced with luxrays commit 2099 (hg up -r 2099) and the image support disabling patch applied. Commit 2099 is the same as was used for the luxrender_v1.3.1 tag.