Move work to omit unnecessary ObjectLiteral stores to the numbering pass.

src/mips64/full-codegen-mips64.cc

Index: src/mips64/full-codegen-mips64.cc
diff --git a/src/mips64/full-codegen-mips64.cc b/src/mips64/full-codegen-mips64.cc
index 65c4689fa868ecd6816f2ed608382cff1dda60c3..e4f0c7f12492279d89f09192b3a659a408e3a757 100644
--- a/src/mips64/full-codegen-mips64.cc
+++ b/src/mips64/full-codegen-mips64.cc
@@ -1660,11 +1660,6 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
   // result_saved is false the result is in v0.
   bool result_saved = false;
 
-  // Mark all computed expressions that are bound to a key that
-  // is shadowed by a later occurrence of the same key. For the
-  // marked expressions, no store code is emitted.
-  expr->CalculateEmitStore(zone());
-
   AccessorTable accessor_table(zone());
   int property_index = 0;
   for (; property_index < expr->properties()->length(); property_index++) {