1 files changed, 19 insertions, 0 deletions
diff --git a/tests/mir-opt/76803_regression.rs b/tests/mir-opt/76803_regression.rs
new file mode 100644
index 000000000..05dc3c978
--- /dev/null
+++ b/tests/mir-opt/76803_regression.rs
@@ -0,0 +1,19 @@
+// compile-flags: -Z mir-opt-level=1
+// EMIT_MIR 76803_regression.encode.SimplifyBranchSame.diff
+
+#[derive(Debug, Eq, PartialEq)]
+pub enum Type {
+    A,
+    B,
+}
+
+pub fn encode(v: Type) -> Type {
+    match v {
+        Type::A => Type::B,
+        _ => v,
+    }
+}
+
+fn main() {
+    assert_eq!(Type::B, encode(Type::A));
+}