From 881c5b5a6dd8d22a184c5f2cfb2f054ad0d2a113 Mon Sep 17 00:00:00 2001
From: Seiichi Uchida <seuchida@gmail.com>
Date: Sat, 11 Nov 2017 23:14:01 +0900
Subject: [PATCH] Add a test for #2021

---
 tests/source/match.rs |  9 +++++++++
 tests/target/match.rs | 12 ++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/tests/source/match.rs b/tests/source/match.rs
index 19d30b0dd00..7f15b88f4e9 100644
--- a/tests/source/match.rs
+++ b/tests/source/match.rs
@@ -425,3 +425,12 @@ fn issue_2099() {
 
     match x {}
 }
+
+// #2021
+impl<'tcx> Const<'tcx> {
+    pub fn from_constval<'a>() -> Const<'tcx> {
+        let val = match *cv {
+            ConstVal::Variant(_) | ConstVal::Aggregate(..) | ConstVal::Unevaluated(..) => bug!("MIR must not use `{:?}` (aggregates are expanded to MIR rvalues)", cv),
+        };
+    }
+}
diff --git a/tests/target/match.rs b/tests/target/match.rs
index 676b8603f2c..257a26d15ba 100644
--- a/tests/target/match.rs
+++ b/tests/target/match.rs
@@ -463,3 +463,15 @@ fn issue_2099() {
 
     match x {}
 }
+
+// #2021
+impl<'tcx> Const<'tcx> {
+    pub fn from_constval<'a>() -> Const<'tcx> {
+        let val = match *cv {
+            ConstVal::Variant(_) | ConstVal::Aggregate(..) | ConstVal::Unevaluated(..) => bug!(
+                "MIR must not use `{:?}` (aggregates are expanded to MIR rvalues)",
+                cv
+            ),
+        };
+    }
+}