X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=tests%2Fui%2Fundocumented_unsafe_blocks.rs;h=c05eb447b2ebd34e50ef3db1197116eab83e7241;hb=f96dd383188e9f24e5b401e664cca97b8bd73825;hp=08aee4332151446a6fdd17603bd651cae7ee7306;hpb=975667945c5be3ab84a0f7fd5bd6715168285a95;p=rust.git

diff --git a/tests/ui/undocumented_unsafe_blocks.rs b/tests/ui/undocumented_unsafe_blocks.rs
index 08aee433215..c05eb447b2e 100644
--- a/tests/ui/undocumented_unsafe_blocks.rs
+++ b/tests/ui/undocumented_unsafe_blocks.rs
@@ -1,6 +1,6 @@
 // aux-build:proc_macro_unsafe.rs
 
-#![warn(clippy::undocumented_unsafe_blocks)]
+#![warn(clippy::undocumented_unsafe_blocks, clippy::unnecessary_safety_comment)]
 #![allow(clippy::let_unit_value, clippy::missing_safety_doc)]
 
 extern crate proc_macro_unsafe;
@@ -490,4 +490,23 @@ unsafe impl CrateRoot for () {}
 // SAFETY: ok
 unsafe impl CrateRoot for (i32) {}
 
+fn issue_9142() {
+    // SAFETY: ok
+    let _ =
+        // we need this comment to avoid rustfmt putting
+        // it all on one line
+        unsafe {};
+
+    // SAFETY: this is more than one level away, so it should warn
+    let _ = {
+        if unsafe { true } {
+            todo!();
+        } else {
+            let bar = unsafe {};
+            todo!();
+            bar
+        }
+    };
+}
+
 fn main() {}