Fix corner cases of type inference with implicit references to `.call`.

pkg/front_end/testcases/inference/call_corner_cases.dart.outline.expect

Index: pkg/front_end/testcases/inference/call_corner_cases.dart.outline.expect
diff --git a/pkg/front_end/testcases/inference/call_corner_cases.dart.outline.expect b/pkg/front_end/testcases/inference/call_corner_cases.dart.outline.expect
new file mode 100644
index 0000000000000000000000000000000000000000..cdef0b834917848effb679e58f3e13469e979b8d
--- /dev/null
+++ b/pkg/front_end/testcases/inference/call_corner_cases.dart.outline.expect
@@ -0,0 +1,28 @@
+library test;
+import self as self;
+import "dart:core" as core;
+
+class A extends core::Object {
+  constructor •() → void
+    ;
+  method call() → core::int
+    ;
+}
+class B extends core::Object {
+  constructor •() → void
+    ;
+  get call() → self::A
+    ;
+}
+class D extends core::Object {
+  field self::A fieldA;
+  field self::B fieldB;
+  constructor •() → void
+    ;
+  get getA() → self::A
+    ;
+  get getB() → self::B
+    ;
+}
+static method main() → dynamic
+  ;