Only set types of conditional expressions in strong mode.

pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart.direct.expect

Index: pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart.direct.expect
diff --git a/pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart.direct.expect b/pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart.direct.expect
index 1713d20c9be9621092ead981f39ffff971264101..5629d0cd38c840b799effd0d7c9ff790d6be6067 100644
--- a/pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart.direct.expect
+++ b/pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart.direct.expect
@@ -10,8 +10,8 @@ class Test1 extends core::Object {
   static method test(self::Test1 t) → void {
     dynamic v1 = t.prop = self::getInt();
     dynamic v2 = t.prop = self::getNum();
-    dynamic v4 = let final dynamic #t1 = t in let final dynamic #t2 = #t1.prop in #t2.==(null) ?{dynamic} #t1.prop = self::getInt() : #t2;
-    dynamic v5 = let final dynamic #t3 = t in let final dynamic #t4 = #t3.prop in #t4.==(null) ?{dynamic} #t3.prop = self::getNum() : #t4;
+    dynamic v4 = let final dynamic #t1 = t in let final dynamic #t2 = #t1.prop in #t2.==(null) ? #t1.prop = self::getInt() : #t2;
+    dynamic v5 = let final dynamic #t3 = t in let final dynamic #t4 = #t3.prop in #t4.==(null) ? #t3.prop = self::getNum() : #t4;
     dynamic v7 = let final dynamic #t5 = t in #t5.prop = #t5.prop.+(self::getInt());
     dynamic v8 = let final dynamic #t6 = t in #t6.prop = #t6.prop.+(self::getNum());
     dynamic v10 = let final dynamic #t7 = t in #t7.prop = #t7.prop.+(1);
@@ -27,9 +27,9 @@ class Test2 extends core::Object {
     dynamic v1 = t.prop = self::getInt();
     dynamic v2 = t.prop = self::getNum();
     dynamic v3 = t.prop = self::getDouble();
-    dynamic v4 = let final dynamic #t11 = t in let final dynamic #t12 = #t11.prop in #t12.==(null) ?{dynamic} #t11.prop = self::getInt() : #t12;
-    dynamic v5 = let final dynamic #t13 = t in let final dynamic #t14 = #t13.prop in #t14.==(null) ?{dynamic} #t13.prop = self::getNum() : #t14;
-    dynamic v6 = let final dynamic #t15 = t in let final dynamic #t16 = #t15.prop in #t16.==(null) ?{dynamic} #t15.prop = self::getDouble() : #t16;
+    dynamic v4 = let final dynamic #t11 = t in let final dynamic #t12 = #t11.prop in #t12.==(null) ? #t11.prop = self::getInt() : #t12;
+    dynamic v5 = let final dynamic #t13 = t in let final dynamic #t14 = #t13.prop in #t14.==(null) ? #t13.prop = self::getNum() : #t14;
+    dynamic v6 = let final dynamic #t15 = t in let final dynamic #t16 = #t15.prop in #t16.==(null) ? #t15.prop = self::getDouble() : #t16;
     dynamic v7 = let final dynamic #t17 = t in #t17.prop = #t17.prop.+(self::getInt());
     dynamic v8 = let final dynamic #t18 = t in #t18.prop = #t18.prop.+(self::getNum());
     dynamic v9 = let final dynamic #t19 = t in #t19.prop = #t19.prop.+(self::getDouble());
@@ -45,8 +45,8 @@ class Test3 extends core::Object {
   static method test3(self::Test3 t) → void {
     dynamic v2 = t.prop = self::getNum();
     dynamic v3 = t.prop = self::getDouble();
-    dynamic v5 = let final dynamic #t24 = t in let final dynamic #t25 = #t24.prop in #t25.==(null) ?{dynamic} #t24.prop = self::getNum() : #t25;
-    dynamic v6 = let final dynamic #t26 = t in let final dynamic #t27 = #t26.prop in #t27.==(null) ?{dynamic} #t26.prop = self::getDouble() : #t27;
+    dynamic v5 = let final dynamic #t24 = t in let final dynamic #t25 = #t24.prop in #t25.==(null) ? #t24.prop = self::getNum() : #t25;
+    dynamic v6 = let final dynamic #t26 = t in let final dynamic #t27 = #t26.prop in #t27.==(null) ? #t26.prop = self::getDouble() : #t27;
     dynamic v7 = let final dynamic #t28 = t in #t28.prop = #t28.prop.+(self::getInt());
     dynamic v8 = let final dynamic #t29 = t in #t29.prop = #t29.prop.+(self::getNum());
     dynamic v9 = let final dynamic #t30 = t in #t30.prop = #t30.prop.+(self::getDouble());