Delete obsolete debug stub

runtime/vm/code_generator.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/code_generator.h"
 
 #include "vm/assembler.h"
 #include "vm/ast.h"
 #include "vm/bigint_operations.h"
 #include "vm/code_patcher.h"
@@ skipping 822 matching lines @@
   if (!function.HasCode()) {
     const Error& error = Error::Handle(Compiler::CompileFunction(function));
     if (!error.IsNull()) {
       Exceptions::PropagateError(error);
     }
   }
   arguments.SetReturn(Code::ZoneHandle(function.CurrentCode()));
 }
 
 
-// Gets called from debug stub when code reaches a breakpoint at a return
-// in Dart code.
-DEFINE_RUNTIME_ENTRY(BreakpointReturnHandler, 0) {
-  ASSERT(isolate->debugger() != NULL);
-  isolate->debugger()->SignalBpReached();
-}
-
-
 // Gets called from debug stub when code reaches a breakpoint.
 DEFINE_RUNTIME_ENTRY(BreakpointDynamicHandler, 0) {
   ASSERT(isolate->debugger() != NULL);
   isolate->debugger()->SignalBpReached();
 }
 
 
 DEFINE_RUNTIME_ENTRY(SingleStepHandler, 0) {
   ASSERT(isolate->debugger() != NULL);
   isolate->debugger()->SingleStepCallback();
@@ skipping 878 matching lines @@
 // of the given value.
 //   Arg0: Field object;
 //   Arg1: Value that is being stored.
 DEFINE_RUNTIME_ENTRY(UpdateFieldCid, 2) {
   const Field& field = Field::CheckedHandle(arguments.ArgAt(0));
   const Object& value = Object::Handle(arguments.ArgAt(1));
   field.UpdateGuardedCidAndLength(value);
 }
 
 }  // namespace dart