Backport https://code.google.com/p/v8/source/detail?r=19360 to 3.24.35

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
diff --git a/src/arm/lithium-arm.h b/src/arm/lithium-arm.h
index 29a176628ec15ecd7cf7c3277db78fe0a9163704..982ac2c5a3da11ea155696462aac61ab38b0f358 100644
--- a/src/arm/lithium-arm.h
+++ b/src/arm/lithium-arm.h
@@ -2580,7 +2580,6 @@ class LChunkBuilder V8_FINAL : public LChunkBuilderBase {
         current_block_(NULL),
         next_block_(NULL),
         allocator_(allocator),
-        position_(RelocInfo::kNoPosition),
         instruction_pending_deoptimization_environment_(NULL),
         pending_deoptimization_ast_id_(BailoutId::None()) { }
 
@@ -2717,7 +2716,6 @@ class LChunkBuilder V8_FINAL : public LChunkBuilderBase {
   HBasicBlock* current_block_;
   HBasicBlock* next_block_;
   LAllocator* allocator_;
-  int position_;
   LInstruction* instruction_pending_deoptimization_environment_;
   BailoutId pending_deoptimization_ast_id_;