[llvm] [Linker] Propagate `nobuiltin` attributes when linking known libcalls (PR #89431)

[Johannes Doerfert via llvm-commits]

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@@ -1757,6 +1784,22 @@ bool IRMover::IdentifiedStructTypeSet::hasType(StructType *Ty) {
   return I == NonOpaqueStructTypes.end() ? false : *I == Ty;
 }
 
+void IRMover::LibcallHandler::updateLibcalls(const llvm::Triple &Triple) {
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jdoerfert wrote:

```suggestion
void IRMover::LibcallHandler::updateLibcalls(const Triple &Triple) {
```

https://github.com/llvm/llvm-project/pull/89431