Use source position table for crankshaft code.

src/objects.cc

 // Copyright 2015 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 13574 matching lines @@
 // Locate the source position which is closest to the code offset. This is
 // using the source position information embedded in the relocation info.
 // The position returned is relative to the beginning of the script where the
 // source for this function is found.
 int Code::SourcePosition(int code_offset) {
   int position = RelocInfo::kNoPosition;  // Initially no position found.
   // Subtract one because the current PC is one instruction after the call site.
   code_offset--;
   // Find the closest position attached to a pc lower or equal to the current.
   // Note that the pc of reloc infos grow monotonically.
-  if (kind() == FUNCTION) {
+  if (kind() == FUNCTION || (is_optimized_code() && !is_turbofanned())) {
     for (SourcePositionTableIterator it(source_position_table());
          !it.done() && it.code_offset() <= code_offset; it.Advance()) {
       position = it.source_position();
     }
   } else {
     Address pc = instruction_start() + code_offset;
     for (RelocIterator it(this, RelocInfo::kPositionMask);
          !it.done() && it.rinfo()->pc() <= pc; it.next()) {
       position = static_cast<int>(it.rinfo()->data());
     }
   }
   DCHECK(kind() == FUNCTION || (is_optimized_code() && is_turbofanned()) ||
          is_wasm_code() || position == RelocInfo::kNoPosition);
   return position;
 }
 
 
 // Same as Code::SourcePosition above except it only looks for statement
 // positions.
 int Code::SourceStatementPosition(int code_offset) {
   // First find the closest position.
   int position = SourcePosition(code_offset);
   // Now find the closest statement position before the position.
   int statement_position = 0;
-  if (kind() == FUNCTION) {
+  if (kind() == FUNCTION || (is_optimized_code() && !is_turbofanned())) {
     for (SourcePositionTableIterator it(source_position_table()); !it.done();
          it.Advance()) {
       if (it.is_statement()) {
         int p = it.source_position();
         if (statement_position < p && p <= position) {
           statement_position = p;
         }
       }
     }
   } else {
@@ skipping 5319 matching lines @@
 
   Object* data_obj =
       constructor->shared()->get_api_func_data()->access_check_info();
   if (data_obj->IsUndefined(isolate)) return nullptr;
 
   return AccessCheckInfo::cast(data_obj);
 }
 
 }  // namespace internal
 }  // namespace v8