Allow setting breakpoints in function literal field initializers under --dfe.

runtime/vm/kernel_to_il.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.
 
 #include <set>
 
 #include "vm/kernel_to_il.h"
 
 #include "vm/compiler.h"
 #include "vm/intermediate_language.h"
@@ skipping 58 matching lines @@
 
 TranslationHelper::TranslationHelper(Thread* thread)
     : thread_(thread),
       zone_(thread->zone()),
       isolate_(thread->isolate()),
       allocation_space_(thread->IsMutatorThread() ? Heap::kNew : Heap::kOld),
       string_offsets_(TypedData::Handle(Z)),
       string_data_(TypedData::Handle(Z)),
       canonical_names_(TypedData::Handle(Z)) {}
 
+TranslationHelper::TranslationHelper(Thread* thread,
+                                     dart::RawTypedData* string_offsets,
+                                     dart::RawTypedData* string_data,
+                                     dart::RawTypedData* canonical_names)
+    : thread_(thread),
+      zone_(thread->zone()),
+      isolate_(thread->isolate()),
+      allocation_space_(Heap::kNew),
+      string_offsets_(TypedData::Handle(Z, string_offsets)),
+      string_data_(TypedData::Handle(Z, string_data)),
+      canonical_names_(TypedData::Handle(Z, canonical_names)) {
+  ASSERT(thread->IsMutatorThread());
+}
+
 void TranslationHelper::SetStringOffsets(const TypedData& string_offsets) {
   ASSERT(string_offsets_.IsNull());
   string_offsets_ = string_offsets.raw();
 }
 
 void TranslationHelper::SetStringData(const TypedData& string_data) {
   ASSERT(string_data_.IsNull());
   string_data_ = string_data.raw();
 }
 
@@ skipping 2248 matching lines @@
   StreamingFlowGraphBuilder streaming_flow_graph_builder(
       &helper, zone_, script.kernel_data(), script.kernel_data_size());
   return streaming_flow_graph_builder.GetLineStartsFor(
       script.kernel_script_index());
 }
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)