Start tracking all registered elements in one big full function set

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

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of ssa;
 
 abstract class OptimizationPhase {
   String get name;
   void visitGraph(HGraph graph);
 }
@@ skipping 371 matching lines @@
   HInstruction visitInvokeStatic(HInvokeStatic node) {
     if (isFixedSizeListConstructor(node)) {
       node.guaranteedType = HType.FIXED_ARRAY;
     }
     return node;
   }
 
   HInstruction visitInvokeDynamicMethod(HInvokeDynamicMethod node) {
     if (node.isInterceptorCall) return handleInterceptorCall(node);
     HType receiverType = types[node.receiver];
-    Element element = receiverType.lookupSingleTarget(node.selector, compiler);
+    Selector selector = receiverType.refine(node.selector, compiler);
+    Element element = compiler.world.locateSingleElement(selector);
     // TODO(ngeoffray): Also fold if it's a getter or variable.
     if (element != null && element.isFunction()) {
       FunctionElement method = element;
       FunctionSignature parameters = method.computeSignature(compiler);
       // TODO(ngeoffray): If the method has optional parameters,
       // we should pass the default values.
       if (parameters.optionalParameterCount == 0
           || parameters.parameterCount == node.selector.argumentCount) {
         node.element = element;
       }
@@ skipping 189 matching lines @@
     if (types[value].canBeNull() && node.isBooleanConversionCheck) {
       return node;
     }
     HType combinedType = types[value].intersection(types[node], compiler);
     return (combinedType == types[value]) ? value : node;
   }
 
   Element findConcreteFieldForDynamicAccess(HInstruction receiver,
                                             Selector selector) {
     HType receiverType = types[receiver];
-    if (!receiverType.isUseful()) return null;
-    DartType type = receiverType.computeType(compiler);
-    if (type == null) return null;
-    if (Elements.isErroneousElement(type.element)) return null;
-    return compiler.world.locateSingleField(type, selector);
+    return compiler.world.locateSingleField(
+        receiverType.refine(selector, compiler));
   }
 
   HInstruction visitFieldGet(HFieldGet node) {
     if (node.element == backend.jsArrayLength) {
       if (node.receiver is HInvokeStatic) {
         // Try to recognize the length getter with input
         // [:new List.fixedLength(int):].
         HInvokeStatic call = node.receiver;
         if (isFixedSizeListConstructor(call)) {
           return call.inputs[1];
@@ skipping 928 matching lines @@
     HBasicBlock block = user.block;
     block.addAfter(user, interceptor);
     block.rewrite(user, interceptor);
     block.remove(user);
 
     // The interceptor will be removed in the dead code elimination
     // phase. Note that removing it here would not work because of how
     // the [visitBasicBlock] is implemented.
   }
 }