Use preallocated StackOverflowException

runtime/vm/isolate.h

 // Copyright (c) 2011, 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include <limits.h>
 
 #include "include/dart_api.h"
@@ skipping 212 matching lines @@
 
   uword stack_limit_address() const {
     return reinterpret_cast<uword>(&stack_limit_);
   }
 
   void SetStackLimit(uword value);
   uword stack_limit() const { return stack_limit_; }
 
   void SetStackLimitFromCurrentTOS(uword isolate_stack_top);
 
-  void ResetStackLimitAfterException() {
-    stack_limit_ = stack_limit_on_overflow_exception_ + kStackSizeBuffer;
-  }
-
-  void AdjustStackLimitForException() {
-    stack_limit_ = stack_limit_on_overflow_exception_;
-  }
-
   void StandardRunLoop();
 
   intptr_t ast_node_id() const { return ast_node_id_; }
   void set_ast_node_id(int value) { ast_node_id_ = value; }
 
   Debugger* debugger() const { return debugger_; }
 
  private:
   Isolate();
 
@@ skipping 27 matching lines @@
   uword top_exit_frame_info_;
   void* init_callback_data_;
   Dart_LibraryTagHandler library_tag_handler_;
   ApiState* api_state_;
   StubCode* stub_code_;
   CodeIndexTable* code_index_table_;
   Debugger* debugger_;
   LongJump* long_jump_base_;
   TimerList timer_list_;
   uword stack_limit_;
-  uword stack_limit_on_overflow_exception_;
   intptr_t ast_node_id_;
 
   static Dart_IsolateCreateCallback create_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
 };
 
 }  // namespace dart
 
 #if defined(TARGET_OS_LINUX)
 #include "vm/isolate_linux.h"
 #elif defined(TARGET_OS_MACOS)
 #include "vm/isolate_macos.h"
 #elif defined(TARGET_OS_WINDOWS)
 #include "vm/isolate_win.h"
 #else
 #error Unknown target os.
 #endif
 
 #endif  // VM_ISOLATE_H_