UBSan is freezing Tor Browser
Compiling Tor Browser with UBSan results in a freeze during |make package|. Compiling with --disable-startupcache does not solve the issue as one is getting a hang during start-up, too, then.
The first bad commit is: https://hg.mozilla.org/mozilla-central/rev/7db30249d1d8 The first good one is: https://hg.mozilla.org/mozilla-central/rev/f78c80504443
I wonder what is going on here...