Patch will make the ENABLE_BIGINT / --enable-bigint to be the default. Note that bigint support is still behind a run-time flag (bug 1506542). The blocker bugs have to land first though.
The merge to beta is happening on Monday and we're in soft code freeze, so it might be best to land this on Monday in case there are regressions or something.
Let's do this!
Corresponding try run here: https://treeherder.mozilla.org/#/jobs?repo=try&revision=34e73909d9f0c0fe70adc388c90b0e6c5dd42ac2
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Enable BigInt compilation by default r=jandem,terpri,froydnj