
This just moves the test from `libcxx` to `generic`. There are currently no `std::function` formatters for libstdc++ so I didn't add a test-case for it. Split out from https://github.com/llvm/llvm-project/pull/146740
This just moves the test from `libcxx` to `generic`. There are currently no `std::function` formatters for libstdc++ so I didn't add a test-case for it. Split out from https://github.com/llvm/llvm-project/pull/146740