[clang] [llvm] [SROA] Fix assertion failure when promoting self-referential load/store (PR #208826)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,20 @@
+; RUN: opt --passes=sroa %s -S -o - 2>&1 | FileCheck %s
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nikic wrote:

```suggestion
; RUN: opt --passes=sroa -S < %s | FileCheck %s
```
and update_test_checks.py.

https://github.com/llvm/llvm-project/pull/208826