Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/tests/ui/lint/issue-97094.rs b/tests/ui/lint/issue-97094.rs
new file mode 100644
index 000000000..22525ca11
--- /dev/null
+++ b/tests/ui/lint/issue-97094.rs
@@ -0,0 +1,50 @@
+#![deny(warnings)]
+
+// Ensure that unknown lints inside cfg-attr's are linted for
+
+#![cfg_attr(all(), allow(nonex_lint_top_level))]
+//~^ ERROR unknown lint
+#![cfg_attr(all(), allow(bare_trait_object))]
+//~^ ERROR has been renamed
+
+#[cfg_attr(all(), allow(nonex_lint_mod))]
+//~^ ERROR unknown lint
+mod baz {
+    #![cfg_attr(all(), allow(nonex_lint_mod_inner))]
+    //~^ ERROR unknown lint
+}
+
+#[cfg_attr(all(), allow(nonex_lint_fn))]
+//~^ ERROR unknown lint
+pub fn main() {}
+
+macro_rules! bar {
+    ($($t:tt)*) => {
+        $($t)*
+    };
+}
+
+bar!(
+    #[cfg_attr(all(), allow(nonex_lint_in_macro))]
+    //~^ ERROR unknown lint
+    pub fn _bar() {}
+);
+
+// No warning for non-applying cfg
+#[cfg_attr(any(), allow(nonex_lint_fn))]
+pub fn _foo() {}
+
+// Allowing unknown lints works if inside cfg_attr
+#[cfg_attr(all(), allow(unknown_lints))]
+mod bar_allowed {
+    #[allow(nonex_lint_fn)]
+    fn _foo() {}
+}
+
+// ... but not if the cfg_attr doesn't evaluate
+#[cfg_attr(any(), allow(unknown_lints))]
+mod bar_not_allowed {
+    #[allow(nonex_lint_fn)]
+    //~^ ERROR unknown lint
+    fn _foo() {}
+}