Only set types of conditional expressions in strong mode.

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

 library test;
 import self as self;
 import "dart:core" as core;
 
 class Base extends core::Object {
   field core::int intProp = null;
   field core::num numProp = null;
   field core::double doubleProp = null;
   constructor •() → void
     : super core::Object::•()
     ;
 }
 class Test1 extends self::Base {
   constructor •() → void
     : super self::Base::•()
     ;
   method test() → void {
     dynamic v1 = super.intProp = self::getInt();
     dynamic v2 = super.intProp = self::getNum();
-    dynamic v4 = let final dynamic #t1 = super.intProp in #t1.==(null) ?{dynamic} super.intProp = self::getInt() : #t1;
-    dynamic v5 = let final dynamic #t2 = super.intProp in #t2.==(null) ?{dynamic} super.intProp = self::getNum() : #t2;
+    dynamic v4 = let final dynamic #t1 = super.intProp in #t1.==(null) ? super.intProp = self::getInt() : #t1;
+    dynamic v5 = let final dynamic #t2 = super.intProp in #t2.==(null) ? super.intProp = self::getNum() : #t2;
     dynamic v7 = super.intProp = super.intProp.+(self::getInt());
     dynamic v8 = super.intProp = super.intProp.+(self::getNum());
     dynamic v10 = super.intProp = super.intProp.+(1);
     dynamic v11 = let final dynamic #t3 = super.intProp in let final dynamic #t4 = super.intProp = #t3.+(1) in #t3;
   }
 }
 class Test2 extends self::Base {
   constructor •() → void
     : super self::Base::•()
     ;
   method test() → void {
     dynamic v1 = super.numProp = self::getInt();
     dynamic v2 = super.numProp = self::getNum();
     dynamic v3 = super.numProp = self::getDouble();
-    dynamic v4 = let final dynamic #t5 = super.numProp in #t5.==(null) ?{dynamic} super.numProp = self::getInt() : #t5;
-    dynamic v5 = let final dynamic #t6 = super.numProp in #t6.==(null) ?{dynamic} super.numProp = self::getNum() : #t6;
-    dynamic v6 = let final dynamic #t7 = super.numProp in #t7.==(null) ?{dynamic} super.numProp = self::getDouble() : #t7;
+    dynamic v4 = let final dynamic #t5 = super.numProp in #t5.==(null) ? super.numProp = self::getInt() : #t5;
+    dynamic v5 = let final dynamic #t6 = super.numProp in #t6.==(null) ? super.numProp = self::getNum() : #t6;
+    dynamic v6 = let final dynamic #t7 = super.numProp in #t7.==(null) ? super.numProp = self::getDouble() : #t7;
     dynamic v7 = super.numProp = super.numProp.+(self::getInt());
     dynamic v8 = super.numProp = super.numProp.+(self::getNum());
     dynamic v9 = super.numProp = super.numProp.+(self::getDouble());
     dynamic v10 = super.numProp = super.numProp.+(1);
     dynamic v11 = let final dynamic #t8 = super.numProp in let final dynamic #t9 = super.numProp = #t8.+(1) in #t8;
   }
 }
 class Test3 extends self::Base {
   constructor •() → void
     : super self::Base::•()
     ;
   method test3() → void {
     dynamic v2 = super.doubleProp = self::getNum();
     dynamic v3 = super.doubleProp = self::getDouble();
-    dynamic v5 = let final dynamic #t10 = super.doubleProp in #t10.==(null) ?{dynamic} super.doubleProp = self::getNum() : #t10;
-    dynamic v6 = let final dynamic #t11 = super.doubleProp in #t11.==(null) ?{dynamic} super.doubleProp = self::getDouble() : #t11;
+    dynamic v5 = let final dynamic #t10 = super.doubleProp in #t10.==(null) ? super.doubleProp = self::getNum() : #t10;
+    dynamic v6 = let final dynamic #t11 = super.doubleProp in #t11.==(null) ? super.doubleProp = self::getDouble() : #t11;
     dynamic v7 = super.doubleProp = super.doubleProp.+(self::getInt());
     dynamic v8 = super.doubleProp = super.doubleProp.+(self::getNum());
     dynamic v9 = super.doubleProp = super.doubleProp.+(self::getDouble());
     dynamic v10 = super.doubleProp = super.doubleProp.+(1);
     dynamic v11 = let final dynamic #t12 = super.doubleProp in let final dynamic #t13 = super.doubleProp = #t12.+(1) in #t12;
   }
 }
 static method getInt() → core::int
   return 0;
 static method getNum() → core::num
   return 0;
 static method getDouble() → core::double
   return 0.0;
 static method main() → dynamic {}