Debugger: consider try-finally scopes not catching wrt debug events.

src/objects.h

 // 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 5153 matching lines @@
   // undecidable it is merely an approximation (e.g. useful for debugger).
   enum CatchPrediction { UNCAUGHT, CAUGHT };
 
   // Accessors for handler table based on ranges.
   void SetRangeStart(int index, int value) {
     set(index * kRangeEntrySize + kRangeStartIndex, Smi::FromInt(value));
   }
   void SetRangeEnd(int index, int value) {
     set(index * kRangeEntrySize + kRangeEndIndex, Smi::FromInt(value));
   }
-  void SetRangeHandler(int index, int value) {
+  void SetRangeHandler(int index, int offset, CatchPrediction prediction) {
+    int value = HandlerOffsetField::encode(offset) |
+                HandlerPredictionField::encode(prediction);
     set(index * kRangeEntrySize + kRangeHandlerIndex, Smi::FromInt(value));
   }
   void SetRangeDepth(int index, int value) {
     set(index * kRangeEntrySize + kRangeDepthIndex, Smi::FromInt(value));
   }
 
   // Accessors for handler table based on return addresses.
   void SetReturnOffset(int index, int value) {
     set(index * kReturnEntrySize + kReturnOffsetIndex, Smi::FromInt(value));
   }
   void SetReturnHandler(int index, int offset, CatchPrediction prediction) {
     int value = HandlerOffsetField::encode(offset) |
                 HandlerPredictionField::encode(prediction);
     set(index * kReturnEntrySize + kReturnHandlerIndex, Smi::FromInt(value));
   }
 
   // Lookup handler in a table based on ranges.
-  int LookupRange(int pc_offset, int* stack_depth);
+  int LookupRange(int pc_offset, int* stack_depth, CatchPrediction* prediction);
 
   // Lookup handler in a table based on return addresses.
   int LookupReturn(int pc_offset, CatchPrediction* prediction);
 
   // Returns the required length of the underlying fixed array.
   static int LengthForRange(int entries) { return entries * kRangeEntrySize; }
   static int LengthForReturn(int entries) { return entries * kReturnEntrySize; }
 
   DECLARE_CAST(HandlerTable)
 
@@ skipping 5985 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_