https://issues.dlang.org/show_bug.cgi?id=18444
Issue 18444 depends on issue 17512, which changed state.

Issue 17512 Summary: [REG 2.073] [DIP1000] Error on bad interplay of 'auto ref' and 'return' attribute deduction. https://issues.dlang.org/show_bug.cgi?id=17512

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

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https://issues.dlang.org/show_bug.cgi?id=18444

Carsten Blüggel <chilli@posteo.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|17512, 18478                |


Referenced Issues:

https://issues.dlang.org/show_bug.cgi?id=17512
[Issue 17512] [REG 2.073] [DIP1000] Error on bad interplay of 'auto ref' and
'return' attribute deduction.
https://issues.dlang.org/show_bug.cgi?id=18478
[Issue 18478] Spurious "escapes a reference to local variable" error in
function that does not return by reference
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