[clang] [llvm] [clang][X86] Reject register variables bound to status registers (PR #227576)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,21 @@
+; RUN: not llc -o /dev/null %s -mtriple=x86_64-unknown-unknown 2>&1 | FileCheck %s
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arsenm wrote:

```suggestion
; RUN: not llc -filetype=null -mtriple=x86_64-unknown-unknown %s 2>&1 | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/227576