Assert that background compiler is not adding closure functions; stop background compiler when deop…

runtime/vm/debugger.cc

 // Copyright (c) 2012, 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/debugger.h"
 
 #include "include/dart_api.h"
 
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
@@ skipping 1384 matching lines @@
   }
   return function.raw();
 }
 
 
 // Deoptimize all functions in the isolate.
 // TODO(hausner): Actually we only need to deoptimize those functions
 // that inline the function that contains the newly created breakpoint.
 // We currently don't have this info so we deoptimize all functions.
 void Debugger::DeoptimizeWorld() {
+  BackgroundCompiler::Stop(isolate_);
   DeoptimizeFunctionsOnStack();
   // Iterate over all classes, deoptimize functions.
   // TODO(hausner): Could possibly be combined with RemoveOptimizedCode()
   const ClassTable& class_table = *isolate_->class_table();
   Class& cls = Class::Handle();
   Array& functions = Array::Handle();
   GrowableObjectArray& closures = GrowableObjectArray::Handle();
   Function& function = Function::Handle();
   intptr_t num_classes = class_table.NumCids();
   for (intptr_t i = 1; i < num_classes; i++) {
@@ skipping 1938 matching lines @@
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart