[Interpreter] Fixes translation from bailout id to code offset.

src/deoptimizer.cc

 // Copyright 2013 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/deoptimizer.h"
 
 #include "src/accessors.h"
 #include "src/ast/prettyprinter.h"
 #include "src/codegen.h"
 #include "src/disasm.h"
@@ skipping 2474 matching lines @@
       return isolate->factory()->undefined_value();
     }
   }
   return it->GetValue();
 }
 
 int ComputeSourcePosition(Handle<SharedFunctionInfo> shared,
                           BailoutId node_id) {
   if (shared->HasBytecodeArray()) {
     BytecodeArray* bytecodes = shared->bytecode_array();
-    return bytecodes->SourcePosition(node_id.ToInt());
+    // BailoutId points to the next bytecode in the bytecode aray. Subtract
+    // 1 to get the end of current bytecode.
+    return bytecodes->SourcePosition(node_id.ToInt() - 1);
   } else {
     Code* non_optimized_code = shared->code();
     FixedArray* raw_data = non_optimized_code->deoptimization_data();
     DeoptimizationOutputData* data = DeoptimizationOutputData::cast(raw_data);
     unsigned pc_and_state = Deoptimizer::GetOutputInfo(data, node_id, *shared);
     unsigned pc_offset = FullCodeGenerator::PcField::decode(pc_and_state);
     return non_optimized_code->SourcePosition(pc_offset);
   }
 }
 
@@ skipping 1232 matching lines @@
       CHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8