1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/lint/force-warn/allowed-group-warn-by-default-lint.rs b/src/test/ui/lint/force-warn/allowed-group-warn-by-default-lint.rs
new file mode 100644
index 000000000..631a8cb2f
--- /dev/null
+++ b/src/test/ui/lint/force-warn/allowed-group-warn-by-default-lint.rs
@@ -0,0 +1,18 @@
+// --force-warn $LINT causes $LINT (which is warn-by-default) to warn
+// despite $LINT_GROUP (which contains $LINT) being allowed
+// compile-flags: --force-warn bare_trait_objects
+// check-pass
+
+#![allow(rust_2018_idioms)]
+
+pub trait SomeTrait {}
+
+pub fn function(_x: Box<SomeTrait>) {}
+//~^ WARN trait objects without an explicit `dyn` are deprecated
+//~| WARN this is accepted in the current edition
+//~| WARN trait objects without an explicit `dyn` are deprecated
+//~| WARN this is accepted in the current edition
+//~| WARN trait objects without an explicit `dyn` are deprecated
+//~| WARN this is accepted in the current edition
+
+fn main() {}