[llvm] [FunctionComparator] Differentiate instructions passing distinct MDStrings (PR #69543)

[Daniel Rodríguez Troitiño via llvm-commits]

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@@ -0,0 +1,34 @@
+; This test contains three identical functions, aside from the metadata
+; they pass to a function call. This test verifies that the function merger
+; pass is able to merge the two functions that are truly identifical,
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drodriguez wrote:

Nit: typo `identifical` → `identical`

https://github.com/llvm/llvm-project/pull/69543