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

src/ppc/lithium-ppc.cc

Index: src/ppc/lithium-ppc.cc
diff --git a/src/ppc/lithium-ppc.cc b/src/ppc/lithium-ppc.cc
index 15782e1075848606588755facc72e4608f430b7c..92dc76b22d8e17ffde2921c47c53ed22bb10a4da 100644
--- a/src/ppc/lithium-ppc.cc
+++ b/src/ppc/lithium-ppc.cc
@@ -2283,10 +2283,7 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
           !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());