Store offset between fixed typed array base and data start in object

src/ppc/lithium-ppc.cc

 // Copyright 2014 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 <sstream>
 
 #include "src/v8.h"
 
 #include "src/hydrogen-osr.h"
 #include "src/lithium-inl.h"
@@ skipping 2265 matching lines @@
       }
     }
 
     return new (zone()) LStoreKeyed(object, key, val);
   }
 
   DCHECK((instr->value()->representation().IsInteger32() &&
           !IsDoubleOrFloatElementsKind(instr->elements_kind())) ||
          (instr->value()->representation().IsDouble() &&
           IsDoubleOrFloatElementsKind(instr->elements_kind())));
-  DCHECK((instr->is_fixed_typed_array() &&
-          instr->elements()->representation().IsTagged()) ||
-         (instr->is_external() &&
-          instr->elements()->representation().IsExternal()));
+  DCHECK(instr->elements()->representation().IsExternal());
   LOperand* val = UseRegister(instr->value());
   LOperand* key = UseRegisterOrConstantAtStart(instr->key());
   LOperand* backing_store = UseRegister(instr->elements());
   return new (zone()) LStoreKeyed(backing_store, key, val);
 }
 
 
 LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* obj =
@@ skipping 373 matching lines @@
 LInstruction* LChunkBuilder::DoAllocateBlockContext(
     HAllocateBlockContext* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseRegisterAtStart(instr->function());
   LAllocateBlockContext* result =
       new (zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, cp), instr);
 }
 }  // namespace internal
 }  // namespace v8