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

src/mips64/lithium-mips64.cc

Index: src/mips64/lithium-mips64.cc
diff --git a/src/mips64/lithium-mips64.cc b/src/mips64/lithium-mips64.cc
index 7d06ec747fda8e2c58c23c2878b8e2220c7e4867..060582585d744e953f32c7cdcdd0e396a33e87bb 100644
--- a/src/mips64/lithium-mips64.cc
+++ b/src/mips64/lithium-mips64.cc
@@ -2282,10 +2282,7 @@ 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());