| #![feature(register_attr)] |
| #![feature(register_tool)] |
| |
| #![register_attr] //~ ERROR malformed `register_attr` attribute input |
| #![register_tool] //~ ERROR malformed `register_tool` attribute input |
| |
| #![register_attr(a::b)] //~ ERROR `register_attr` only accepts identifiers |
| #![register_tool(a::b)] //~ ERROR `register_tool` only accepts identifiers |
| |
| #![register_attr(attr, attr)] //~ ERROR attribute `attr` was already registered |
| #![register_tool(tool, tool)] //~ ERROR tool `tool` was already registered |
| |
| fn main() {} |