Call IsStringLiteral instead of IsPropertyName in VisitObjectLiteral.

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index c9c8e0058aa25cdd245f8f0317d6f0fe4fd496a9..569aa8d4d471950fa27a39cde8ce892e840bd2b4 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -1355,7 +1355,8 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
       case ObjectLiteral::Property::COMPUTED:
         // It is safe to use [[Put]] here because the boilerplate already
         // contains computed properties with an uninitialized value.
-        if (key->IsPropertyName()) {
+        if (key->IsStringLiteral()) {
+          DCHECK(key->IsPropertyName());
           if (property->emit_store()) {
             VisitForAccumulatorValue(value);
             DCHECK(StoreDescriptor::ValueRegister().is(eax));