1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/resolve/issue-3021.rs b/src/test/ui/resolve/issue-3021.rs
new file mode 100644
index 000000000..a672261f8
--- /dev/null
+++ b/src/test/ui/resolve/issue-3021.rs
@@ -0,0 +1,18 @@
+trait SipHash {
+    fn reset(&self);
+}
+
+fn siphash(k0 : u64) {
+    struct SipState {
+        v0: u64,
+    }
+
+    impl SipHash for SipState {
+        fn reset(&self) {
+           self.v0 = k0 ^ 0x736f6d6570736575; //~ ERROR can't capture dynamic environment
+        }
+    }
+    panic!();
+}
+
+fn main() {}