From e8a2d570756a5d2ae379babbc4f9be067531acdf Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Thu, 18 Oct 2018 00:58:15 +0200
Subject: [PATCH] Flatten more.

---
 .../blockFlattener/switch_stmt.yul            | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 test/libyul/yulOptimizerTests/blockFlattener/switch_stmt.yul

diff --git a/test/libyul/yulOptimizerTests/blockFlattener/switch_stmt.yul b/test/libyul/yulOptimizerTests/blockFlattener/switch_stmt.yul
new file mode 100644
index 000000000..2df4f9d09
--- /dev/null
+++ b/test/libyul/yulOptimizerTests/blockFlattener/switch_stmt.yul
@@ -0,0 +1,22 @@
+{
+    let a := 1
+    switch calldataload(0)
+    case 0 { { { mstore(0, 1) } } a := 8 }
+    default { a := 3 { a := 4 } }
+    a := 5
+}
+// ----
+// blockFlattener
+// {
+//     let a := 1
+//     switch calldataload(0)
+//     case 0 {
+//         mstore(0, 1)
+//         a := 8
+//     }
+//     default {
+//         a := 3
+//         a := 4
+//     }
+//     a := 5
+// }