Call IsStringLiteral instead of IsPropertyName in VisitObjectLiteral.

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index 33d0c83bc055ae801c23dc002877d6e2175327d7..9f05ee29ecc57800fda7dc8f1240e3860310c138 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -1347,7 +1347,8 @@ 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));