[JitDiff X64] [xtqqczze] Use `Unsafe.BitCast` to avoid taking address

[MihuBot]

Job completed in 12 minutes 55 seconds.
dotnet/runtime#111091

Artifacts:

• build-clr-checked-main.zip (88 MB)
• build-artifacts-main.zip (688 MB)

[MihuBot]

@xtqqczze

[xtqqczze]

#close

[MihaZupan]

#close

That continues to not be a thing :)