Incremental compilation of constants.

dart/tests/try/web/incremental_compilation_update_test.dart

Index: dart/tests/try/web/incremental_compilation_update_test.dart
diff --git a/dart/tests/try/web/incremental_compilation_update_test.dart b/dart/tests/try/web/incremental_compilation_update_test.dart
index 66c77369fcdd1227b486e1284630cf0f03fba57b..5377f3a24ec56b3b08710b674ea3e5bcbb903d41 100644
--- a/dart/tests/try/web/incremental_compilation_update_test.dart
+++ b/dart/tests/try/web/incremental_compilation_update_test.dart
@@ -1292,8 +1292,6 @@ main() {
         const ProgramResult(
             r"""
 main() {
-  // TODO(ahe): Remove next line when new constants are handled correctly.
-  [].map(null);
   print('v1');
 }
 """,
@@ -1371,6 +1369,34 @@ main() {
 """,
             const <String>['Called bar']),
     ],
+
+    // Test that constants are handled correctly.
+    const <ProgramResult>[
+        const ProgramResult(
+            r"""
+class C {
+  final String value;
+  const C(this.value);
+}
+
+main() {
+  print(const C('v1').value);
+}
+""",
+            const <String>['v1']),
+        const ProgramResult(
+            r"""
+class C {
+  final String value;
+  const C(this.value);
+}
+
+main() {
+  print(const C('v2').value);
+}
+""",
+            const <String>['v2']),
+    ],
 ];
 
 void main() {