- [attr (debug_name "<foo>bar")]
- [attr (alias_set x123)]
- (constdef (var (int 32) foo) (const (int 32) 1))
- (tydef (var (int 32) foo)) (tyref foo)
- type (poly)
- (alias_subset foo bar)
- [{attr,parm,...} (foo) (bar)] -> [(foo) (bar)]
