1 files changed, 6 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/parser/issue-4126/invalid.rs b/src/tools/rustfmt/tests/parser/issue-4126/invalid.rs
new file mode 100644
index 00000000000..7709c848464
--- /dev/null
+++ b/src/tools/rustfmt/tests/parser/issue-4126/invalid.rs
@@ -0,0 +1,6 @@
+fn foo() {
+    if bar && if !baz {
+        next_is_none = Some(true);
+    }
+    println!("foo");
+}