1b0972cc61
Use an explicit x86-64 cpu in tests that are sensitive to it There are a few tests that depend on some target features **not** being enabled by default, and usually they are correct with the default x86-64 target CPU. However, in downstream builds we have modified the default to fit our distros -- `x86-64-v2` in RHEL 9 and `x86-64-v3` in RHEL 10 -- and the latter especially trips tests that expect not to have AVX. These cases are few enough that we can just set them back explicitly.
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