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-rw-r--r--tests/ui/feature-gates/feature-gate-multiple_supertrait_upcastable.rs12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/feature-gate-multiple_supertrait_upcastable.rs b/tests/ui/feature-gates/feature-gate-multiple_supertrait_upcastable.rs
new file mode 100644
index 000000000..0467dea62
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-multiple_supertrait_upcastable.rs
@@ -0,0 +1,12 @@
+// check-pass
+
+#![deny(multiple_supertrait_upcastable)]
+//~^ WARNING unknown lint: `multiple_supertrait_upcastable`
+//~| WARNING unknown lint: `multiple_supertrait_upcastable`
+//~| WARNING unknown lint: `multiple_supertrait_upcastable`
+#![warn(multiple_supertrait_upcastable)]
+//~^ WARNING unknown lint: `multiple_supertrait_upcastable`
+//~| WARNING unknown lint: `multiple_supertrait_upcastable`
+//~| WARNING unknown lint: `multiple_supertrait_upcastable`
+
+fn main() {}