kernel->ssa: get simple constructors working

pkg/compiler/lib/src/ssa/builder.dart

Index: pkg/compiler/lib/src/ssa/builder.dart
diff --git a/pkg/compiler/lib/src/ssa/builder.dart b/pkg/compiler/lib/src/ssa/builder.dart
index f3e3ade6e2f78004a9e0e12e2877dec8aea392af..2b6ff2c03032d97b2cd8630c5d18a249f2f112bf 100644
--- a/pkg/compiler/lib/src/ssa/builder.dart
+++ b/pkg/compiler/lib/src/ssa/builder.dart
@@ -332,8 +332,7 @@ class SsaBuilder extends ast.Visitor
     // For static calls, [providedArguments] is complete, default arguments
     // have been included if necessary, see [makeStaticArgumentList].
     if (!isInstanceMember ||
-        currentNode == null // In erroneous code, currentNode can be null.
-        ||
+        currentNode == null || // In erroneous code, currentNode can be null.
         providedArgumentsKnownToBeComplete(currentNode) ||
         function.isGenerativeConstructorBody ||
         selector.isGetter) {