[Bug libstdc++/114417] std::experimental::simd is not a POD (by ABI definitions) and is always passed by reference instead of by value

[de34 at live dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114417

Jiang An <de34 at live dot cn> changed:

           What    |Removed                     |Added
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                 CC|                            |de34 at live dot cn

--- Comment #8 from Jiang An <de34 at live dot cn> ---
There're comments saying:

> // The following ensures, function arguments are passed via the stack.
> // This is important for ABI compatibility across TU boundaries

I have no idea about why this was considered outweighting trivial copyability.