[Issue 11934] Allow `ref` in `foreach` over range iff `front` returns by `ref`

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=11934

Nick Treleaven <nick at geany.org> changed:

           What    |Removed                     |Added
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             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

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