val collectingVisitor = IrDeclarationMappingCollectingVisitor()
        irOrdinaryFiles.forEach { it.acceptVoid(collectingVisitor) }

        // Replace duplicate symbols with the original ones
        val patchingVisitor = IrDeclarationPatchingVisitor(collectingVisitor.mappings)
        irCodeFragmentFiles.forEach { it.acceptVoid(patchingVisitor) }
    }

    @OptIn(UnsafeDuringIrConstructionAPI::class)