[Issue 18822] [REG 2.080.0] Compiling byGrapheme Fails

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18822

--- Comment #1 from Jack Stouffer <jack at jackstouffer.com> ---
Introduced in https://github.com/dlang/phobos/pull/6235

So, what's happening is that the toString of Appender now uses formatValue,
which calls formatRange, which calls graphemeStride. Grapheme uses TrieBuilder,
which uses std.conv.text for an error message which uses Appender, and you can
see the problem.

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