[compiler-rt] [compiler-rt] Fix #122795 for solaris platforms proposal. (PR #122956)

[Rainer Orth via llvm-commits]

rorth wrote:

> AFAIK even freebsd fails now needs to fix it too.

Can you please update the description for that?  For one, please use `[sanitizer_common] ` as tag since that's all the patch touches.  And even more importantly, use a **descriptive** summary: pull request numbers are completely meaningless.

https://github.com/llvm/llvm-project/pull/122956