[Issue 20369] shadowed variable in foreach loop always considered "foreach variable"

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20369

--- Comment #2 from Rainer Schuetze <r.sagitario at gmx.de> ---
I consider "k" and "v" to be the "foreach variables", not any local variable
elsewhere. I don't expect that the compiler tells me that the variable is
declared inside the body of a foreach,while,if or similar.

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