[compiler] Remove obsolete guard in MarkForOptimization.

src/objects.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 11956 matching lines @@
     if (SharedFunctionInfo::cast(literals->get(i)) == candidate) {
       return true;
     }
   }
   return false;
 }
 
 
 void JSFunction::MarkForOptimization() {
   Isolate* isolate = GetIsolate();
-  // Do not optimize if function contains break points.
-  if (shared()->HasDebugInfo()) return;
   DCHECK(!IsOptimized());
   DCHECK(shared()->allows_lazy_compilation() ||
          !shared()->optimization_disabled());
-  DCHECK(!shared()->HasDebugInfo());
   set_code_no_write_barrier(
       isolate->builtins()->builtin(Builtins::kCompileOptimized));
   // No write barrier required, since the builtin is part of the root set.
 }
 
 
 void JSFunction::AttemptConcurrentOptimization() {
   Isolate* isolate = GetIsolate();
   if (!isolate->concurrent_recompilation_enabled() ||
       isolate->bootstrapper()->IsActive()) {
@@ skipping 7413 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8