For the past five times when I ran `./mach run --debug --disable-e10s`, Firefox crashed with above mentioned stacktrace. So perhaps this is debug- or e10s-specific.
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For the past five times when I ran `./mach run --debug --disable-e10s`, Firefox crashed with above mentioned stacktrace. So perhaps this is debug- or e10s-specific. The problem seems to be around https://searchfox.org/mozilla-central/rev/3a0a8e2762821c6afc1d235b3eb3dde63ad3b01a/memory/build/mozjemalloc.cpp#2589.