[llvm] [llvm] Support IFuncs on Darwin platforms (PR #73686)

[Jon Roelofs via llvm-commits]

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@@ -0,0 +1,42 @@
+; RUN:  not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
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jroelofs wrote:

This test is leftover from a different approach I took earlier in the history of this patch series. I don't think we actually need it.

https://github.com/llvm/llvm-project/pull/73686