Could be related to <https://github.com/nim-lang/Nim/issues/18341>
- Expensive copy when compiling with --gc:arc tsojtsoj
- Expensive copy when compiling with --gc:arc Stefan_Salewski
- Expensive copy when compiling with --gc:arc tsojtsoj
- Expensive copy when compiling with --gc:arc tsojtsoj
- Expensive copy when compiling with --gc:a... Stefan_Salewski
- Expensive copy when compiling with -... planetis
