MIPS64: Fix after [turbofan] Avoid unnecessary write barriers and improve code generation.

src/compiler/mips64/code-generator-mips64.cc

Index: src/compiler/mips64/code-generator-mips64.cc
diff --git a/src/compiler/mips64/code-generator-mips64.cc b/src/compiler/mips64/code-generator-mips64.cc
index dcee4cf165feacfd5fca3e333a5c4c2dfc33532a..62fd2f5efcf4bab3870f2aefb3cb75f165d454ae 100644
--- a/src/compiler/mips64/code-generator-mips64.cc
+++ b/src/compiler/mips64/code-generator-mips64.cc
@@ -241,7 +241,7 @@ class OutOfLineRecordWrite final : public OutOfLineCode {
     // and restore lr properly here if the frame was elided.
     RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_,
                          EMIT_REMEMBERED_SET, save_fp_mode);
-    __ Addu(scratch1_, object_, index_);
+    __ Daddu(scratch1_, object_, index_);
     __ CallStub(&stub);
   }