1 files changed, 28 insertions, 0 deletions
diff --git a/test/libyul/yulOptimizerTests/blockFlattener/many_nested_blocks.yul b/test/libyul/yulOptimizerTests/blockFlattener/many_nested_blocks.yul
new file mode 100644
index 00000000..ae2a066b
--- /dev/null
+++ b/test/libyul/yulOptimizerTests/blockFlattener/many_nested_blocks.yul
@@ -0,0 +1,28 @@
+{
+  let a := 3
+  let b := 4
+  {
+    a := add(b, 3)
+    let c := 5
+    {
+      b := add(b, 4)
+      {
+        c := add(a, 5)
+	  }
+      b := add(a, b)
+    }
+    a := add(a, c)
+  }
+}
+// ----
+// blockFlattener
+// {
+//     let a := 3
+//     let b := 4
+//     a := add(b, 3)
+//     let c := 5
+//     b := add(b, 4)
+//     c := add(a, 5)
+//     b := add(a, b)
+//     a := add(a, c)
+// }