[debug] Don't notify listener of exceptions internal to a desugaring.

src/parsing/parser.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/parsing/parser.h"
 
 #include <memory>
 
 #include "src/api.h"
 #include "src/ast/ast.h"
@@ skipping 6513 matching lines @@
     Block* catch_block = factory->NewBlock(nullptr, 1, false, nopos);
     catch_block->statements()->Add(set_mode_throw, zone);
 
     Scope* catch_scope = NewScopeWithParent(scope, CATCH_SCOPE);
     catch_scope->set_is_hidden();
     const AstRawString* name = avfactory->dot_catch_string();
     Variable* catch_variable =
         catch_scope->DeclareLocal(name, VAR, kCreatedInitialized,
                                                Variable::NORMAL);
 
-    try_catch = factory->NewTryCatchStatement(
+    try_catch = factory->NewTryCatchStatementForDesugaring(
         try_block, catch_scope, catch_variable, catch_block, nopos);
   }
 
 
   // try { ... } finally { ... }
   Statement* try_finally;
   {
     Block* try_block = factory->NewBlock(nullptr, 1, false, nopos);
     try_block->statements()->Add(try_catch, zone);
 
@@ skipping 543 matching lines @@
   node->Print(Isolate::Current());
 }
 #endif  // DEBUG
 
 #undef CHECK_OK
 #undef CHECK_OK_VOID
 #undef CHECK_FAILED
 
 }  // namespace internal
 }  // namespace v8