Comment # 8 on bug 1160994 from Wolfgang Rosenauer

Got a clang build of FF72.0.1 on my machine now.

I could not guarantee lab conditions in my benchmarks but what I had with
web.basemark.com:

gcc build: 270
clang build: 301

Some anymations were visibly faster but 68.4.1 still had a higher score (built
with gcc).

Also Christoph's findings:
> Basemark score for Firefox 72 (clean profile) from Tumbleweed repo: 270
> Basemark score for Firefox 72 (clean profile) from Mozilla: 390
are not close. I had 270 but I only reached 301 compared to 390 with clang.

I try to build and publish the clang build from here:
https://build.opensuse.org/project/show/mozilla:experimental
but OBS seems to have worker issues so huge packages like Firefox are waiting
currently for ages to be built.
Once some build is available. I would need feedback from comparison on other
people's machines.