diff --git a/tests/source/attrib.rs b/tests/source/attrib.rs
index d607b7e6f2f36..fc9afa273105e 100644
--- a/tests/source/attrib.rs
+++ b/tests/source/attrib.rs
@@ -211,3 +211,10 @@ pub struct Params {
                   all(target_arch = "wasm32", feature = "wasm-bindgen"),
               ))))]
 type Os = NoSource;
+
+// #3313
+fn stmt_expr_attributes() {
+    let foo ;
+    #[must_use]
+   foo = false ;
+}
\ No newline at end of file
diff --git a/tests/target/attrib.rs b/tests/target/attrib.rs
index 942f669d4956f..f359bf2241143 100644
--- a/tests/target/attrib.rs
+++ b/tests/target/attrib.rs
@@ -246,3 +246,10 @@ mod issue_2620 {
     )
 )))]
 type Os = NoSource;
+
+// #3313
+fn stmt_expr_attributes() {
+    let foo;
+    #[must_use]
+    foo = false;
+}