--- a/js/src/frontend/BytecodeEmitter.cpp
+++ b/js/src/frontend/BytecodeEmitter.cpp
@@ -8542,29 +8542,26 @@ bool BytecodeEmitter::emitPropertyListOb
                                                  PropListType type,
                                                  ObjLiteralFlags flags) {
   ObjLiteralCreationData data(cx);
   data.writer().beginObject(flags);
   bool noValues = flags.contains(ObjLiteralFlag::NoValues);
   bool singleton = flags.contains(ObjLiteralFlag::Singleton);
 
   for (ParseNode* propdef : obj->contents()) {
-    MOZ_ASSERT(propdef->is<BinaryNode>());
     BinaryNode* prop = &propdef->as<BinaryNode>();
     ParseNode* key = prop->left();
-    MOZ_ASSERT(key->is<NameNode>() || key->is<NumericLiteral>());
 
     if (key->is<NameNode>()) {
       uint32_t propNameIndex = 0;
       if (!data.addAtom(key->as<NameNode>().atom(), &propNameIndex)) {
         return false;
       }
       data.writer().setPropName(propNameIndex);
     } else {
-      MOZ_ASSERT(key->is<NumericLiteral>());
       double numValue = key->as<NumericLiteral>().value();
       int32_t i = 0;
       DebugOnly<bool> numIsInt =
           NumberIsInt32(numValue, &i);  // checked previously.
       MOZ_ASSERT(numIsInt);
       MOZ_ASSERT(
           ObjLiteralWriter::arrayIndexInRange(i));  // checked previously.
       data.writer().setPropIndex(i);