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

[Jon Roelofs via llvm-commits]

================
@@ -118,8 +118,8 @@ declare void @f3() unnamed_addr
 @a1 = alias i32, i32* @g1
 @a2 = internal local_unnamed_addr alias i32, i32* @g2
 
- at i1 = ifunc void(), void()* ()* @f1
- at i2 = internal local_unnamed_addr ifunc void(), void()* ()* @f2
+ at i1 = external ifunc void(), void()* ()* @f1
+ at i2 = external local_unnamed_addr ifunc void(), void()* ()* @f2
 
 declare void @llvm.dbg.value(metadata, metadata, metadata)
 
----------------
jroelofs wrote:

I think this change can go away too. It's leftover cruft from a previous version of this patch series.

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