Refactor resolution code in the vm to properly handle ambiguity errors.

runtime/vm/intrinsifier_ia32.cc

 // Copyright (c) 2013, 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.
 //
 // The intrinsic code below is executed before a method has built its frame.
 // The return address is on the stack and the arguments below it.
 // Registers EDX (arguments descriptor) and ECX (function) must be preserved.
 // Each intrinsification method returns true if the corresponding
 // Dart method was intrinsified.
 
@@ skipping 157 matching lines @@
 }
 
 
 bool Intrinsifier::ImmutableArray_getIndexed(Assembler* assembler) {
   return Array_getIndexed(assembler);
 }
 
 
 static intptr_t ComputeObjectArrayTypeArgumentsOffset() {
   const Library& core_lib = Library::Handle(Library::CoreLibrary());
-  const Class& cls =
-      Class::Handle(core_lib.LookupClassAllowPrivate(Symbols::ObjectArray()));
+  const Class& cls = Class::Handle(
+      core_lib.LookupClassAllowPrivate(Symbols::ObjectArray(), NULL));
   ASSERT(!cls.IsNull());
   ASSERT(cls.HasTypeArguments());
   ASSERT(cls.NumTypeArguments() == 1);
   const intptr_t field_offset = cls.type_arguments_field_offset();
   ASSERT(field_offset != Class::kNoTypeArguments);
   return field_offset;
 }
 
 
 // Intrinsify only for Smi value and index. Non-smi values need a store buffer
@@ skipping 1237 matching lines @@
   return false;  // Compile method for slow case.
 }
 
 
 //    var state = ((_A * (_state[kSTATE_LO])) + _state[kSTATE_HI]) & _MASK_64;
 //    _state[kSTATE_LO] = state & _MASK_32;
 //    _state[kSTATE_HI] = state >> 32;
 bool Intrinsifier::Random_nextState(Assembler* assembler) {
   const Library& math_lib = Library::Handle(Library::MathLibrary());
   ASSERT(!math_lib.IsNull());
-  const Class& random_class =
-      Class::Handle(math_lib.LookupClassAllowPrivate(Symbols::_Random()));
+  const Class& random_class = Class::Handle(
+      math_lib.LookupClassAllowPrivate(Symbols::_Random(), NULL));
   ASSERT(!random_class.IsNull());
   const Field& state_field = Field::ZoneHandle(
       random_class.LookupInstanceField(Symbols::_state()));
   ASSERT(!state_field.IsNull());
   const Field& random_A_field = Field::ZoneHandle(
       random_class.LookupStaticField(Symbols::_A()));
   ASSERT(!random_A_field.IsNull());
   ASSERT(random_A_field.is_const());
   const Instance& a_value = Instance::Handle(random_A_field.value());
   const int64_t a_int_value = Integer::Cast(a_value).AsInt64Value();
@@ skipping 320 matching lines @@
   __ ret();
 
   __ Bind(&fall_through);
   return false;
 }
 
 #undef __
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32