Define "doing fine", does it pass all tests?

On Fri, Jan 4, 2019 at 12:36 PM Charles R Harris <charlesr.har...@gmail.com>
wrote:

> Hi All,
>
> Just asking if the `-fno-strict-aliasing` flag is still required for gcc.
> Supposedly `-fstrict-aliasing` is enabled by default with optimization
> levels >= `-O2` and that used to result in errors. However, I have noticed
> that numpy wheels are being built without the `-fno-strict-aliasing` flag
> and doing fine. Same on my local machine. So maybe the compiler has gotten
> better at knowing when pointers may be aliased? I cannot find informative
> documentation on how `-fstrict-aliasing` is actually implemented, so
> thought I'd ask here if someone knows more about it.
>
> Chuck
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