[Issue 15368] Improve error message for "auto" keyword inside "foreach"

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15368

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #14857 "merge stable" was merged into master:

- 3683d2384a4eecdc2f816177a04f3a52032f8f79 by Dennis:
  fix 15368 - improve error message when using auto in foreach (#14839)

https://github.com/dlang/dmd/pull/14857

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