Fix AST-based type inference on empty lists.

pkg/analyzer/test/src/summary/resynthesize_ast_test.dart

Index: pkg/analyzer/test/src/summary/resynthesize_ast_test.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_ast_test.dart b/pkg/analyzer/test/src/summary/resynthesize_ast_test.dart
index c2c71ad3e667d44a0ead14a20e4b435673f6551e..408db12bcc9ce3c0e8dd32cd8cadd6737ff1a059 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_ast_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_ast_test.dart
@@ -306,12 +306,6 @@ var b2 = new B<int>();
 
   @override
   @failingTest
-  void test_inferFromComplexExpressionsIfOuterMostValueIsPrecise() {
-    super.test_inferFromComplexExpressionsIfOuterMostValueIsPrecise();
-  }
-
-  @override
-  @failingTest
   void test_inferFromRhsOnlyIfItWontConflictWithOverriddenFields() {
     super.test_inferFromRhsOnlyIfItWontConflictWithOverriddenFields();
   }