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Created attachment 239927 [details, diff]
Created attachment 248034 [details, diff]
I will commit this patch, if maintainers don't object in 1 week.
Looks mostly fine to me, except I'm not sure why you're adding the -fno-strict-aliasing.
(In reply to comment #3)
> I'm not sure why you're adding the -fno-strict-aliasing.
It works around warnings about breaking strict-aliasing rules. I can remove -fno-strict-aliasing from the patch if you want it.
No, let's keep it. Thanks!
Fixed in 1.6.3 and 9999.