Fix crash in inference

pkg/compiler/lib/src/inferrer/inferrer_engine.dart

Index: pkg/compiler/lib/src/inferrer/inferrer_engine.dart
diff --git a/pkg/compiler/lib/src/inferrer/inferrer_engine.dart b/pkg/compiler/lib/src/inferrer/inferrer_engine.dart
index 1f68137b3adeeb995e1843ce73d4928b46441b9b..ea92ddbe98a771da3c499ea1806bbd1b1c61fc4d 100644
--- a/pkg/compiler/lib/src/inferrer/inferrer_engine.dart
+++ b/pkg/compiler/lib/src/inferrer/inferrer_engine.dart
@@ -391,6 +391,9 @@ class InferrerEngine {
           assert(calledElement.isGenerativeConstructor);
           ClassElement cls = calledElement.enclosingClass;
           MethodElement callMethod = cls.lookupMember(Identifiers.call);
+          if (callMethod == null) {
+            callMethod = cls.lookupMember(Identifiers.noSuchMethod_);

[Siggi Cherem (dart-lang), 2017/07/11 16:53:39]

I don't recall this changing in your CLs last week... did we drop this recently
or was the bug for an issue that was failing long ago as well?

[Johnni Winther, 2017/07/12 08:13:07]

Ancient bug!

+          }
           assert(callMethod != null, failedAt(cls));
           Iterable<FunctionEntity> elements = [callMethod];
           trace(elements, new ClosureTracerVisitor(elements, info, this));