diff --git a/pkg/front_end/testcases/regress/issue_34291.dart b/pkg/front_end/testcases/regress/issue_34291.dart
new file mode 100644
index 0000000..4011208
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291.dart
@@ -0,0 +1,11 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "issue_34291_lib.dart" as lib;
+
+class B {}
+
+lib.A<B> foo() {}
+
+main() {}
diff --git a/pkg/front_end/testcases/regress/issue_34291.dart.direct.expect b/pkg/front_end/testcases/regress/issue_34291.dart.direct.expect
new file mode 100644
index 0000000..ee89c3a
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291.dart.direct.expect
@@ -0,0 +1,12 @@
+library;
+import self as self;
+import "dart:core" as core;
+import "./issue_34291_lib.dart" as iss;
+
+class B extends core::Object {
+  synthetic constructor •() → void
+    : super core::Object::•()
+    ;
+}
+static method foo() → iss::A {}
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/regress/issue_34291.dart.direct.transformed.expect b/pkg/front_end/testcases/regress/issue_34291.dart.direct.transformed.expect
new file mode 100644
index 0000000..ee89c3a
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291.dart.direct.transformed.expect
@@ -0,0 +1,12 @@
+library;
+import self as self;
+import "dart:core" as core;
+import "./issue_34291_lib.dart" as iss;
+
+class B extends core::Object {
+  synthetic constructor •() → void
+    : super core::Object::•()
+    ;
+}
+static method foo() → iss::A {}
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/regress/issue_34291.dart.outline.expect b/pkg/front_end/testcases/regress/issue_34291.dart.outline.expect
new file mode 100644
index 0000000..103a1a4
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291.dart.outline.expect
@@ -0,0 +1,13 @@
+library;
+import self as self;
+import "dart:core" as core;
+import "./issue_34291_lib.dart" as iss;
+
+class B extends core::Object {
+  synthetic constructor •() → void
+    ;
+}
+static method foo() → iss::A
+  ;
+static method main() → dynamic
+  ;
diff --git a/pkg/front_end/testcases/regress/issue_34291.dart.strong.expect b/pkg/front_end/testcases/regress/issue_34291.dart.strong.expect
new file mode 100644
index 0000000..8d80aa8
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291.dart.strong.expect
@@ -0,0 +1,17 @@
+// Errors:
+//
+// pkg/front_end/testcases/regress/issue_34291.dart:9:1: Error: Expected 0 type arguments.
+// lib.A<B> foo() {}
+// ^
+
+library;
+import self as self;
+import "dart:core" as core;
+
+class B extends core::Object {
+  synthetic constructor •() → void
+    : super core::Object::•()
+    ;
+}
+static method foo() → invalid-type {}
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/regress/issue_34291.dart.strong.transformed.expect b/pkg/front_end/testcases/regress/issue_34291.dart.strong.transformed.expect
new file mode 100644
index 0000000..8d80aa8
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291.dart.strong.transformed.expect
@@ -0,0 +1,17 @@
+// Errors:
+//
+// pkg/front_end/testcases/regress/issue_34291.dart:9:1: Error: Expected 0 type arguments.
+// lib.A<B> foo() {}
+// ^
+
+library;
+import self as self;
+import "dart:core" as core;
+
+class B extends core::Object {
+  synthetic constructor •() → void
+    : super core::Object::•()
+    ;
+}
+static method foo() → invalid-type {}
+static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/regress/issue_34291_lib.dart b/pkg/front_end/testcases/regress/issue_34291_lib.dart
new file mode 100644
index 0000000..a0e9344
--- /dev/null
+++ b/pkg/front_end/testcases/regress/issue_34291_lib.dart
@@ -0,0 +1,5 @@
+// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+class A {}