1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/lazy-type-alias-impl-trait/branches2.rs b/src/test/ui/lazy-type-alias-impl-trait/branches2.rs
new file mode 100644
index 000000000..04218f564
--- /dev/null
+++ b/src/test/ui/lazy-type-alias-impl-trait/branches2.rs
@@ -0,0 +1,28 @@
+#![feature(type_alias_impl_trait)]
+
+// check-pass
+
+type Foo = impl std::iter::FromIterator<i32> + PartialEq<Vec<i32>> + std::fmt::Debug;
+
+fn foo(b: bool) -> Foo {
+    if b {
+        vec![42_i32]
+    } else {
+        std::iter::empty().collect()
+    }
+}
+
+fn bar(b: bool) -> impl PartialEq<Vec<i32>> + std::fmt::Debug {
+    if b {
+        vec![42_i32]
+    } else {
+        std::iter::empty().collect()
+    }
+}
+
+fn main() {
+    assert_eq!(foo(true), vec![42]);
+    assert_eq!(foo(false), vec![]);
+    assert_eq!(bar(true), vec![42]);
+    assert_eq!(bar(false), vec![]);
+}