julia

4bc86685 - Define `jl_running_under_sanitizer` on FreeBSD

Define `jl_running_under_sanitizer` on FreeBSD This should fix the FreeBSD build regression from #62043. This also enables the RTLD_DEEPBIND workaround for FreeBSD, although the `dlopen` and `siglongjmp` workarounds still need implementation / testing before ASAN is fully supported on FreeBSD.