[llvm] [DRAFT][clang-format] helper script for resolving downstream reformat… (PR #80462)

[Bruno De Fraine via llvm-commits]

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brunodf-snps wrote:

This script should have mode 0755 (executable) instead of 0644 to be able to invoke it with the documented command-line.

https://github.com/llvm/llvm-project/pull/80462