[Issue 19366] Qualify opCast(bool) as const for findSplit, findSplitBefore and findSplitAfter

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19366

--- Comment #1 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/6b64ed9d5772e0d64281659fb2c9e034703926a4
Fix Issue 19366 - Qualify opCast(bool) as const for findSplit, findSplitBefore
and findSplitAfter.

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