1 A literal was used in a built-in attribute that doesn't support literals.
3 Erroneous code example:
5 ```ignore (compile_fail not working here; see Issue #43707)
6 #[inline("always")] // error: unsupported literal
10 Literals in attributes are new and largely unsupported in built-in attributes.
11 Work to support literals where appropriate is ongoing. Try using an unquoted