[llvm-branch-commits] [clang] [CIR] Make UndefAttr use AttrBuilderWithInferredContext (PR #136605)

[Henrich Lauko via llvm-branch-commits]

xlauko wrote:

### Merge activity

* **Apr 22, 2:26 AM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/136605).


https://github.com/llvm/llvm-project/pull/136605