Fangrui Song 0c3a02b8c0 Function multi-versioning: disable ifunc for ELF targets other than glibc/Android/FreeBSD ...

Generalize D127933 (Fuchsia special case) to other ELF targets. Ensure
that musl, NetBSD, OpenBSD, etc do not get ifunc codegen which is
unsupported in their rtld.

Link: https://discourse.llvm.org/t/does-ifunc-use-from-llvm-require-os-support/67628
Close: https://github.com/llvm/llvm-project/issues/64631

2023-08-14 08:59:59 -07:00

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