[llvm] [LTO][Pipelines][Coro] Handle coroutines in LTO pipeline (PR #126168)

[Vitaly Buka via llvm-commits]

================
@@ -0,0 +1,21 @@
+; RUN: llvm-as %s -o %t1.bc
----------------
vitalybuka wrote:

In the test I don't try to replicate thinlto,
just to make sure that buildLTODefaultPipeline do not left coro unprocessed.

https://github.com/llvm/llvm-project/pull/126168