465                                 Optional<StringRef> importModule,  in setImportAttributes()  argument
477   if (importModule) {  in setImportAttributes()
478     if (!existing->importModule)  in setImportAttributes()
479       existing->importModule = importModule;  in setImportAttributes()
480     if (existing->importModule != importModule)  in setImportAttributes()
482             "\n>>> defined as " + *existing->importModule + " in " +  in setImportAttributes()
484             *importModule + " in " + toString(file));  in setImportAttributes()
496                                           Optional<StringRef> importModule,  in addUndefinedFunction()  argument
513     replaceSymbol<UndefinedFunction>(s, name, importName, importModule, flags,  in addUndefinedFunction()
545       setImportAttributes(existingUndefined, importName, importModule, flags,  in addUndefinedFunction()
581                                         Optional<StringRef> importModule,  in addUndefinedGlobal()  argument
594     replaceSymbol<UndefinedGlobal>(s, name, importName, importModule, flags,  in addUndefinedGlobal()
605                                        Optional<StringRef> importModule,  in addUndefinedTable()  argument
618     replaceSymbol<UndefinedTable>(s, name, importName, importModule, flags,  in addUndefinedTable()
629                                      Optional<StringRef> importModule,  in addUndefinedTag()  argument
642     replaceSymbol<UndefinedTag>(s, name, importName, importModule, flags, file,  in addUndefinedTag()