If a rethrow is encountered in the catch block, then its handler must be marked that it needs stack…

runtime/vm/flow_graph_compiler.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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/cha.h"
 #include "vm/dart_entry.h"
@@ skipping 307 matching lines @@
                                             const Array& handler_types,
                                             bool needs_stacktrace) {
   exception_handlers_list_->AddHandler(try_index,
                                        outer_try_index,
                                        pc_offset,
                                        handler_types,
                                        needs_stacktrace);
 }
 
 
+void FlowGraphCompiler::SetNeedsStacktrace(intptr_t try_index) {
+  exception_handlers_list_->SetNeedsStacktrace(try_index);
+}
+
+
 // Uses current pc position and try-index.
 void FlowGraphCompiler::AddCurrentDescriptor(PcDescriptors::Kind kind,
                                              intptr_t deopt_id,
                                              intptr_t token_pos) {
   pc_descriptors_list()->AddDescriptor(kind,
                                        assembler()->CodeSize(),
                                        deopt_id,
                                        token_pos,
                                        CurrentTryIndex());
 }
@@ skipping 802 matching lines @@
 
   for (int i = 0; i < len; i++) {
     sorted->Add(CidTarget(ic_data.GetReceiverClassIdAt(i),
                           &Function::ZoneHandle(ic_data.GetTargetAt(i)),
                           ic_data.GetCountAt(i)));
   }
   sorted->Sort(HighestCountFirst);
 }
 
 }  // namespace dart