[compiler-rt] [asan] Ignore vDSO on FreeBSD (PR #76223)

[Brad Smith via llvm-commits]

brad0 wrote:

I ran into this issue recently, after wanting to test removing a patch for qsort() interception and not being aware of the root issue.

Then ran into Dimity's post on Discourse.. https://discourse.llvm.org/t/llvm-16-0-0-rc4-has-been-tagged/69150/8

https://github.com/llvm/llvm-project/pull/76223