Fix constructor invocation type inference.

pkg/front_end/testcases/inference/instantiate_to_bounds_invoke_constructor_no_bound.dart.strong.expect

Index: pkg/front_end/testcases/inference/instantiate_to_bounds_invoke_constructor_no_bound.dart.strong.expect
diff --git a/pkg/front_end/testcases/inference/instantiate_to_bounds_invoke_constructor_no_bound.dart.strong.expect b/pkg/front_end/testcases/inference/instantiate_to_bounds_invoke_constructor_no_bound.dart.strong.expect
new file mode 100644
index 0000000000000000000000000000000000000000..6a21f2ae8b28d4893a5a0f8955e060abdfcec893
--- /dev/null
+++ b/pkg/front_end/testcases/inference/instantiate_to_bounds_invoke_constructor_no_bound.dart.strong.expect
@@ -0,0 +1,12 @@
+library test;
+import self as self;
+import "dart:core" as core;
+
+class C<T extends core::Object> extends core::Object {
+  constructor •() → void
+    : super core::Object::•()
+    ;
+}
+static method main() → dynamic {
+  self::C<dynamic> v = new self::C::•<dynamic>();
+}