[llvm-branch-commits] [clang-doc] Precommit test case for functions with templated parameters and return (PR #119814)

[Paul Kirth via llvm-branch-commits]

https://github.com/ilovepi created https://github.com/llvm/llvm-project/pull/119814

To address #67549 we need a test case that will show up in the markdown
output for functions.