Minor type inference fixes.

pkg/front_end/testcases/inference/infer_binary_double_double.dart

Index: pkg/front_end/testcases/inference/infer_binary_double_double.dart
diff --git a/pkg/front_end/testcases/inference/infer_binary_double_double.dart b/pkg/front_end/testcases/inference/infer_binary_double_double.dart
index 09b1ed8833d5de421efa55ec901a45a0d3025dc1..2285d47f9b7273b5a25d2ad5642dcd18434dac81 100644
--- a/pkg/front_end/testcases/inference/infer_binary_double_double.dart
+++ b/pkg/front_end/testcases/inference/infer_binary_double_double.dart
@@ -5,8 +5,8 @@
 /*@testedFeatures=inference*/
 library test;
 
-var /*@topType=bool*/ a_equal = 1.0 /*@target=Object::==*/ == 2.0;
-var /*@topType=bool*/ a_notEqual = 1.0 /*@target=Object::==*/ != 2.0;
+var /*@topType=bool*/ a_equal = 1.0 /*@target=num::==*/ == 2.0;
+var /*@topType=bool*/ a_notEqual = 1.0 /*@target=num::==*/ != 2.0;
 var /*@topType=double*/ a_add = 1.0 /*@target=double::+*/ + 2.0;
 var /*@topType=double*/ a_subtract = 1.0 /*@target=double::-*/ - 2.0;
 var /*@topType=double*/ a_multiply = 1.0 /*@target=double::**/ * 2.0;