Better dependency tracking

sdk/lib/_internal/compiler/implementation/resolution/members.dart

Index: sdk/lib/_internal/compiler/implementation/resolution/members.dart
diff --git a/sdk/lib/_internal/compiler/implementation/resolution/members.dart b/sdk/lib/_internal/compiler/implementation/resolution/members.dart
index 1f608adc46032b4185a81ddfbd241eec856e27be..1020d219f3509bbf1e318f894e5030e13e083007 100644
--- a/sdk/lib/_internal/compiler/implementation/resolution/members.dart
+++ b/sdk/lib/_internal/compiler/implementation/resolution/members.dart
@@ -1863,7 +1863,7 @@ class TypeResolver {
       AmbiguousElement ambiguous = element;
       type = reportFailureAndCreateType(
           ambiguous.messageKind, ambiguous.messageArguments);
-      ambiguous.diagnose(registry.currentElement, compiler);
+      ambiguous.diagnose(registry.mapping.currentElement, compiler);
     } else if (element.isErroneous) {
       ErroneousElement erroneousElement = element;
       type = reportFailureAndCreateType(
@@ -2441,11 +2441,6 @@ class ResolverVisitor extends MappingVisitor<ResolutionResult> {
 
   ResolutionResult resolveSend(Send node) {
     Selector selector = resolveSelector(node, null);
-    if (selector != null) {
-      compiler.enqueuer.resolution.compilationInfo.registerCallSite(
-          registry.mapping, node);
-    }
-
     if (node.isSuperCall) registry.registerSuperUse(node);
 
     if (node.receiver == null) {