[Issue 19804] fails to compile with fixes size array T[1]... argument

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19804

--- Comment #9 from Mike Franklin <slavo5150 at yahoo.com> ---
I ran a digger bisection to try to identify the PR that caused this regression.
 It reported https://github.com/dlang/dmd/pull/9364  That isn't very precise,
but by educated guess, it appears to be https://github.com/dlang/dmd/pull/9357

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