[turbofan] Introduce prediction for exception handlers.

src/frames.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/frames.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 965 matching lines @@
   DCHECK(!is_constructor);
 }
 
 
 int OptimizedFrame::LookupExceptionHandlerInTable(int* stack_slots) {
   Code* code = LookupCode();
   DCHECK(code->is_optimized_code());
   HandlerTable* table = HandlerTable::cast(code->handler_table());
   int pc_offset = static_cast<int>(pc() - code->entry());
   *stack_slots = code->stack_slots();
-  return table->LookupReturn(pc_offset);
+  HandlerTable::CatchPrediction prediction;  // TODO(yangguo): For debugger.
+  return table->LookupReturn(pc_offset, &prediction);
 }
 
 
 DeoptimizationInputData* OptimizedFrame::GetDeoptimizationData(
     int* deopt_index) {
   DCHECK(is_optimized());
 
   JSFunction* opt_function = function();
   Code* code = opt_function->code();
 
@@ skipping 520 matching lines @@
   ZoneList<StackFrame*> list(10, zone);
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal