[cfe] Change supportSetLiterals default value to true

This aligns the NoneTarget with the raw output of the CFE.

Change-Id: Ic3a0a3de46dac389d0ade581192e392fdaba9553
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108721
Reviewed-by: Jens Johansen <[email protected]>
Commit-Queue: Johnni Winther <[email protected]>

Author: johnniwinther

pkg/compiler/lib/src/kernel/dart2js_target.dart

@@ -78,9 +78,6 @@ class Dart2jsTarget extends Target {
   @override
   bool get errorOnUnexactWebIntLiterals => true;
 
-  @override
-  bool get supportsSetLiterals => true;
-
   @override
   void performModularTransformationsOnLibraries(
       ir.Component component,

pkg/dev_compiler/lib/src/kernel/target.dart

@@ -91,9 +91,6 @@ class DevCompilerTarget extends Target {
   @override
   bool get errorOnUnexactWebIntLiterals => true;
 
-  @override
-  bool get supportsSetLiterals => true;
-
   @override
   bool get enableNoSuchMethodForwarders => true;
 

pkg/kernel/lib/target/targets.dart

@@ -197,7 +197,7 @@ abstract class Target {
   /// literals are not supported by the target, they will be desugared into
   /// explicit `Set` creation (for non-const set literals) or wrapped map
   /// literals (for const set literals).
-  bool get supportsSetLiterals => false;
+  bool get supportsSetLiterals => true;
 
   /// Builds an expression that instantiates an [Invocation] that can be passed
   /// to [noSuchMethod].

pkg/vm/lib/target/vm.dart

@@ -45,6 +45,9 @@ class VmTarget extends Target {
   @override
   bool get enableNoSuchMethodForwarders => true;
 
+  @override
+  bool get supportsSetLiterals => false;
+
   @override
   String get name => 'vm';