NOT A NIXPKGS BUG nor the cause of any failure stdenv: `pop_var_context: head of shell_variables not a function context`

Not a nixpkgs bug nor the cause of any failure
https://mail.gnu.org/archive/html/bug-bash/2022-10/msg00075.html


```
/nix/store/559pz0w6zlvw8yyxah9s10fhaz400vaj-stdenv-darwin/setup: line 138: pop_var_context: head of shell_variables not a function context
```