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-rw-r--r--tests/ui/parser/issues/issue-33418.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/parser/issues/issue-33418.rs b/tests/ui/parser/issues/issue-33418.rs
new file mode 100644
index 000000000..9934284ab
--- /dev/null
+++ b/tests/ui/parser/issues/issue-33418.rs
@@ -0,0 +1,21 @@
+// run-rustfix
+
+trait Tr: !SuperA {}
+//~^ ERROR negative bounds are not supported
+trait Tr2: SuperA + !SuperB {}
+//~^ ERROR negative bounds are not supported
+trait Tr3: !SuperA + SuperB {}
+//~^ ERROR negative bounds are not supported
+trait Tr4: !SuperA + SuperB
+ + !SuperC + SuperD {}
+//~^ ERROR negative bounds are not supported
+trait Tr5: !SuperA
+ + !SuperB {}
+//~^ ERROR negative bounds are not supported
+
+trait SuperA {}
+trait SuperB {}
+trait SuperC {}
+trait SuperD {}
+
+fn main() {}