[llvm] [llvm-lit][test] Precommit tests for lit's built-in cat command (PR #101530)

[via llvm-commits]

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connieyzhu wrote:

Just realized that with the FileCheck crash (https://github.com/llvm/llvm-project/issues/101582), I can't check that there is no output for diff (which would be the case if the two files were the same). Is there another way to check output without using FileCheck?

https://github.com/llvm/llvm-project/pull/101530