Encode interpreter::SourcePositionTable as variable-length ints.

src/interpreter/bytecode-array-builder.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/interpreter/bytecode-array-builder.h"
 #include "src/compiler.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
@@ skipping 106 matching lines @@
 Handle<BytecodeArray> BytecodeArrayBuilder::ToBytecodeArray() {
   DCHECK_EQ(bytecode_generated_, false);
   DCHECK(exit_seen_in_block_);
 
   int bytecode_size = static_cast<int>(bytecodes_.size());
   int register_count =
       fixed_and_temporary_register_count() + translation_register_count();
   int frame_size = register_count * kPointerSize;
   Handle<FixedArray> constant_pool = constant_array_builder()->ToFixedArray();
   Handle<FixedArray> handler_table = handler_table_builder()->ToHandlerTable();
-  Handle<FixedArray> source_position_table =
-      source_position_table_builder()->ToFixedArray();
+  Handle<ByteArray> source_position_table =
+      source_position_table_builder()->ToSourcePositionTable();
   Handle<BytecodeArray> output = isolate_->factory()->NewBytecodeArray(
       bytecode_size, &bytecodes_.front(), frame_size, parameter_count(),
       constant_pool);
   output->set_handler_table(*handler_table);
   output->set_source_position_table(*source_position_table);
   bytecode_generated_ = true;
   return output;
 }
 
 
@@ skipping 1553 matching lines @@
 }
 
 // static
 bool BytecodeArrayBuilder::FitsInReg16OperandUntranslated(Register value) {
   return value.is_short_operand();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8