[llvm] [llvm-install-name-tool] Error on non-Mach-O binaries (PR #90351)

[James Henderson via llvm-commits]

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@@ -0,0 +1,26 @@
+## This test checks general llvm-install-name-tool behavior
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jh7370 wrote:

```suggestion
## This test checks general llvm-install-name-tool behavior.
```
Nit, same below.

https://github.com/llvm/llvm-project/pull/90351