[Bug target/72782] AVX512: No support for scalar broadcasts

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72782

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Please try hjl/pr72782/master branch at

https://github.com/hjl-tools/gcc