Add support for converted closures with explicit contexts to VM

runtime/vm/kernel_binary.cc

 // Copyright (c) 2016, 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.
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/kernel_binary.h"
 #include "platform/globals.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
 #include "vm/kernel.h"
@@ skipping 1133 matching lines @@
 
 
 VectorCreation* VectorCreation::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
 
   VectorCreation* vector_creation = new VectorCreation();
   vector_creation->kernel_offset_ =
       reader->offset() - 1;  // -1 to include tag byte.
   vector_creation->value_ = reader->ReadUInt();
 
+  vector_creation->can_stream_ = true;
+
   return vector_creation;
 }
 
 
 VectorGet* VectorGet::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
 
   VectorGet* vector_get = new VectorGet();
   vector_get->kernel_offset_ = reader->offset() - 1;  // -1 to include tag byte.
   vector_get->vector_expression_ = Expression::ReadFrom(reader);
   vector_get->index_ = reader->ReadUInt();
 
-  vector_get->can_stream_ = false;
+  vector_get->can_stream_ = true;
 
   return vector_get;
 }
 
 
 VectorSet* VectorSet::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
 
   VectorSet* vector_set = new VectorSet();
   vector_set->kernel_offset_ = reader->offset() - 1;  // -1 to include tag byte.
   vector_set->vector_expression_ = Expression::ReadFrom(reader);
   vector_set->index_ = reader->ReadUInt();
   vector_set->value_ = Expression::ReadFrom(reader);
 
-  vector_set->can_stream_ = false;
+  vector_set->can_stream_ = vector_set->value_->can_stream();
 
   return vector_set;
 }
 
 
 VectorCopy* VectorCopy::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
 
   VectorCopy* vector_copy = new VectorCopy();
   vector_copy->kernel_offset_ =
       reader->offset() - 1;  // -1 to include tag byte.
   vector_copy->vector_expression_ = Expression::ReadFrom(reader);
 
-  vector_copy->can_stream_ = false;
+  vector_copy->can_stream_ = true;
 
   return vector_copy;
 }
 
 
 ClosureCreation* ClosureCreation::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
 
   ClosureCreation* closure_creation = new ClosureCreation();
   closure_creation->kernel_offset_ =
       reader->offset() - 1;  // to include tag byte.
   closure_creation->top_level_function_reference_ =
       Reference::ReadMemberFrom(reader);
   closure_creation->context_vector_ = Expression::ReadFrom(reader);
   closure_creation->function_type_ =
       FunctionType::Cast(DartType::ReadFrom(reader));
 
-  closure_creation->can_stream_ = false;
+  closure_creation->can_stream_ = true;
 
   return closure_creation;
 }
 
 
 Statement* Statement::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
   Tag tag = reader->ReadTag();
   switch (tag) {
     case kInvalidStatement:
@@ skipping 657 matching lines @@
 
 kernel::Program* ReadPrecompiledKernelFromBuffer(const uint8_t* buffer,
                                                  intptr_t buffer_length) {
   kernel::Reader reader(buffer, buffer_length);
   return kernel::Program::ReadFrom(&reader);
 }
 
 
 }  // namespace dart
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)