[Issue 4244] AA insert from fixed-sized array much slower than from equivalent struct

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=4244

--- Comment #2 from hsteoh at quickfur.ath.cx ---
Looking at the generated assembly code, it seems that foo1 and foo2 are
essentially identical. So it looks like the problem must come from the AA code,
probably from the different treatments given to different typeinfo's for the
two key types.

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