[Issue 16626] [Reg 2.073] recent dmd nightly runs out of memory building Higgs

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16626

--- Comment #2 from Martin Nowak <code at dawg.eu> ---
>From Dmitry https://github.com/dlang/phobos/pull/4286#issuecomment-255182046

> The new version is more demanding on memory during CTFE so yeah, most likely it now fails for some patterns. Dunno what to do here would really love to see the new engine sometime soon.

That might still take a while and in the meantime such simple ctRegex eat up
16GiB (kill my project tester https://ci.dawg.eu/ btw).
If we can't really support the NFA kickstarter in CTFE, then we should just
disable it for now.

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