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

src/ia32/lithium-ia32.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.
 
 #include <sstream>
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
@@ skipping 2328 matching lines @@
       return new(zone()) LStoreKeyed(obj, key, val);
     }
   }
 
   ElementsKind elements_kind = instr->elements_kind();
   DCHECK(
       (instr->value()->representation().IsInteger32() &&
        !IsDoubleOrFloatElementsKind(elements_kind)) ||
       (instr->value()->representation().IsDouble() &&
        IsDoubleOrFloatElementsKind(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* backing_store = UseRegister(instr->elements());
   LOperand* val = GetStoreKeyedValueOperand(instr);
   bool clobbers_key = ExternalArrayOpRequiresTemp(
       instr->key()->representation(), elements_kind);
   LOperand* key = clobbers_key
       ? UseTempRegister(instr->key())
       : UseRegisterOrConstantAtStart(instr->key());
   return new(zone()) LStoreKeyed(backing_store, key, val);
 }
@@ skipping 425 matching lines @@
   LAllocateBlockContext* result =
       new(zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, esi), instr);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32