[Issue 21884] [betterC] can't compare arrays with -betterC

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21884

--- Comment #1 from Blatnik <blatblatnik at gmail.com> ---
It's also important to point out that fixing the first issue (type[N] ==
type[N]) would also fix the second issue.

The only reason type[N][] == type[N][] doesn't work, is because it internally
tries to compare every element in the two slices, and every element just
happens to be a type[N].

So if type[N] == type[N] is fixed, both types of notation would work.

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