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

src/x87/lithium-x87.cc

Index: src/x87/lithium-x87.cc
diff --git a/src/x87/lithium-x87.cc b/src/x87/lithium-x87.cc
index f421c4addf381d4f49e8b99b398ebb6cdf15ade8..2f5f15f2887132d12d63a30090ee82f8713c54e9 100644
--- a/src/x87/lithium-x87.cc
+++ b/src/x87/lithium-x87.cc
@@ -2350,10 +2350,7 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
        !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);