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-rw-r--r--src/test/codegen/match.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/codegen/match.rs b/src/test/codegen/match.rs
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+++ b/src/test/codegen/match.rs
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+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+
+pub enum E {
+    A,
+    B,
+}
+
+// CHECK-LABEL: @exhaustive_match
+#[no_mangle]
+pub fn exhaustive_match(e: E) {
+// CHECK: switch{{.*}}, label %[[DEFAULT:[a-zA-Z0-9_]+]]
+// CHECK: [[DEFAULT]]:
+// CHECK-NEXT: unreachable
+    match e {
+        E::A => (),
+        E::B => (),
+    }
+}