1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/mir-opt/const_prop/read_immutable_static.rs b/src/test/mir-opt/const_prop/read_immutable_static.rs
new file mode 100644
index 00000000000..c2902dbd7c1
--- /dev/null
+++ b/src/test/mir-opt/const_prop/read_immutable_static.rs
@@ -0,0 +1,29 @@
+// compile-flags: -O
+
+static FOO: u8 = 2;
+
+fn main() {
+    let x = FOO + FOO;
+}
+
+// END RUST SOURCE
+// START rustc.main.ConstProp.before.mir
+//  bb0: {
+//      ...
+//      _2 = (FOO: u8);
+//      ...
+//      _3 = (FOO: u8);
+//      _1 = Add(move _2, move _3);
+//      ...
+//  }
+// END rustc.main.ConstProp.before.mir
+// START rustc.main.ConstProp.after.mir
+//  bb0: {
+//      ...
+//      _2 = const 2u8;
+//      ...
+//      _3 = const 2u8;
+//      _1 = Add(move _2, move _3);
+//      ...
+//  }
+// END rustc.main.ConstProp.after.mir