error: negative bounds are not supported --> $DIR/issue-33418.rs:3:9 | LL | trait Tr: !SuperA {} | ^^^^^^^^^ negative bounds are not supported error: negative bounds are not supported --> $DIR/issue-33418.rs:5:19 | LL | trait Tr2: SuperA + !SuperB {} | ^^^^^^^^^ negative bounds are not supported error: negative bounds are not supported --> $DIR/issue-33418.rs:7:10 | LL | trait Tr3: !SuperA + SuperB {} | ^^^^^^^^^ negative bounds are not supported error: negative bounds are not supported --> $DIR/issue-33418.rs:9:10 | LL | trait Tr4: !SuperA + SuperB | ^^^^^^^^^ LL | + !SuperC + SuperD {} | ^^^^^^^^^ negative bounds are not supported error: negative bounds are not supported --> $DIR/issue-33418.rs:12:10 | LL | trait Tr5: !SuperA | ^^^^^^^^^ LL | + !SuperB {} | ^^^^^^^^^ negative bounds are not supported error: aborting due to 5 previous errors