Handle compile-time constness for conditionals and type literal calls.

sdk/lib/_internal/compiler/implementation/ssa/builder.dart

Index: sdk/lib/_internal/compiler/implementation/ssa/builder.dart
diff --git a/sdk/lib/_internal/compiler/implementation/ssa/builder.dart b/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
index 37585d821ce07f8d0520502623d728bbfa8b51b8..70713dad882d0a1001d0ca5d9df52d3f68575730 100644
--- a/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
+++ b/sdk/lib/_internal/compiler/implementation/ssa/builder.dart
@@ -3675,7 +3675,13 @@ class SsaBuilder extends ResolvedVisitor implements Visitor {
     Element element = elements[node];
     if (element.isClass() || element.isTypedef()) {
       // TODO(karlklose): add type representation
-      stack.add(addConstant(node));
+      if (node.isCall) {
+        // The node itself is not a constant but we register the selector (the
+        // identifier that refers to the class/typedef) as a constant.
+        stack.add(addConstant(node.selector));
+      } else {
+        stack.add(addConstant(node));
+      }
     } else if (element.isTypeVariable()) {
       HInstruction value =
           addTypeVariableReference(element.computeType(compiler));