[llvm] [AVR] Fix for issue #163015, occasional corruption in stack passed params (PR #164001)

[Min-Yih Hsu via llvm-commits]

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mshockwave wrote:

please use update_llc_test_checks.py to generate CHECK lines. Also, is there any reason you need `-v -dump-input always`?

https://github.com/llvm/llvm-project/pull/164001