[liveedit] reimplement frame restarting.

src/full-codegen/full-codegen.cc

 // Copyright 2012 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/full-codegen/full-codegen.h"
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/ast.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopes.h"
@@ skipping 1214 matching lines @@
   // Exception handling is not supported.
   UNREACHABLE();
 }
 
 
 void FullCodeGenerator::VisitDebuggerStatement(DebuggerStatement* stmt) {
   Comment cmnt(masm_, "[ DebuggerStatement");
   SetStatementPosition(stmt);
 
   __ DebugBreak();
-  // Ignore the return value.
+  __ MaybeDropFrames();
 
   PrepareForBailoutForId(stmt->DebugBreakId(), BailoutState::NO_REGISTERS);
 }
 
 
 void FullCodeGenerator::VisitCaseClause(CaseClause* clause) {
   UNREACHABLE();
 }
 
 
@@ skipping 357 matching lines @@
   return info_->has_simple_parameters();
 }
 
 FunctionLiteral* FullCodeGenerator::literal() const { return info_->literal(); }
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8