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

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index fea797e7a4bf3c23519193d834c3cda145cc0abe..f16030539d4258fe01162638558715ccfb10bb92 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -1661,11 +1661,6 @@ 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++) {