1 files changed, 28 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-3021-d.rs b/src/test/ui/issues/issue-3021-d.rs
new file mode 100644
index 000000000..1fb0002b2
--- /dev/null
+++ b/src/test/ui/issues/issue-3021-d.rs
@@ -0,0 +1,28 @@
+trait SipHash {
+    fn result(&self) -> u64;
+    fn reset(&self);
+}
+
+fn siphash(k0 : u64, k1 : u64) {
+    struct SipState {
+        v0: u64,
+        v1: u64,
+    }
+
+    fn mk_result(st : &SipState) -> u64 {
+
+        let v0 = st.v0;
+        let v1 = st.v1;
+        return v0 ^ v1;
+    }
+
+   impl SipHash for SipState {
+        fn reset(&self) {
+            self.v0 = k0 ^ 0x736f6d6570736575; //~ ERROR can't capture dynamic environment
+            self.v1 = k1 ^ 0x646f72616e646f6d; //~ ERROR can't capture dynamic environment
+        }
+        fn result(&self) -> u64 { return mk_result(self); }
+    }
+}
+
+fn main() {}