Use source position table in turbofan code.

src/x87/deoptimizer-x87.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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/register-configuration.h"
@@ skipping 17 matching lines @@
 
   // Compute the size of relocation information needed for the code
   // patching in Deoptimizer::PatchCodeForDeoptimization below.
   int min_reloc_size = 0;
   int prev_pc_offset = 0;
   DeoptimizationInputData* deopt_data =
       DeoptimizationInputData::cast(code->deoptimization_data());
   for (int i = 0; i < deopt_data->DeoptCount(); i++) {
     int pc_offset = deopt_data->Pc(i)->value();
     if (pc_offset == -1) continue;
+    pc_offset = pc_offset + 1;  // We will encode the pc offset after the call.
     DCHECK_GE(pc_offset, prev_pc_offset);
     int pc_delta = pc_offset - prev_pc_offset;
     // We use RUNTIME_ENTRY reloc info which has a size of 2 bytes
     // if encodable with small pc delta encoding and up to 6 bytes
     // otherwise.
     if (pc_delta <= RelocInfo::kMaxSmallPCDelta) {
       min_reloc_size += 2;
     } else {
       min_reloc_size += 6;
     }
@@ skipping 374 matching lines @@
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87