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Well-typed programs can go wrong: a study of typing-related bugs in JVM compilers

Chaliasos Stefanos, Sotiropoulos Thodoris, Drosos Georgios-Petros, Mitropoulos Charalampos-Ioannis, Mitropoulos Dimitris, Spinellis, Diomidis

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/516DD474-FCD4-49E7-A38E-FFCB5748E6DA-
Αναγνωριστικόhttps://doi.org/10.1145/3485500-
Αναγνωριστικόhttps://dl.acm.org/doi/10.1145/3485500-
Γλώσσαen-
Μέγεθος30 pagesen
ΤίτλοςWell-typed programs can go wrong: a study of typing-related bugs in JVM compilersen
ΔημιουργόςChaliasos Stefanosen
ΔημιουργόςSotiropoulos Thodorisen
ΔημιουργόςDrosos Georgios-Petrosen
ΔημιουργόςMitropoulos Charalampos-Ioannisen
ΔημιουργόςΜητροπουλος Χαραλαμπος-Ιωαννηςel
ΔημιουργόςMitropoulos Dimitrisen
ΔημιουργόςSpinellis, Diomidisen
ΕκδότηςAssociation for Computing Machinery (ACM)en
ΠερίληψηDespite the substantial progress in compiler testing, research endeavors have mainly focused on detecting compiler crashes and subtle miscompilations caused by bugs in the implementation of compiler optimizations. Surprisingly, this growing body of work neglects other compiler components, most notably the front-end. In statically-typed programming languages with rich and expressive type systems and modern features, such as type inference or a mix of object-oriented with functional programming features, the process of static typing in compiler front-ends is complicated by a high-density of bugs. Such bugs can lead to the acceptance of incorrect programs (breaking code portability or the type system's soundness), the rejection of correct (e.g. well-typed) programs, and the reporting of misleading errors and warnings. We conduct, what is to the best of our knowledge, the first empirical study for understanding and characterizing typing-related compiler bugs. To do so, we manually study 320 typing-related bugs (along with their fixes and test cases) that are randomly sampled from four mainstream JVM languages, namely Java, Scala, Kotlin, and Groovy. We evaluate each bug in terms of several aspects, including their symptom, root cause, bug fix's size, and the characteristics of the bug-revealing test cases. Some representative observations indicate that: (1) more than half of the typing-related bugs manifest as unexpected compile-time errors: the buggy compiler wrongly rejects semantically correct programs, (2) the majority of typing-related bugs lie in the implementations of the underlying type systems and in other core components related to operations on types, (3) parametric polymorphism is the most pervasive feature in the corresponding test cases, (4) one third of typing-related bugs are triggered by non-compilable programs. We believe that our study opens up a new research direction by driving future researchers to build appropriate methods and techniques for a more holistic testing of compilers.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2023-06-13-
Ημερομηνία Δημοσίευσης2021-
Θεματική ΚατηγορίαCompiler testingen
Θεματική ΚατηγορίαJavaen
Θεματική ΚατηγορίαScalaen
Θεματική ΚατηγορίαGroovyen
Θεματική ΚατηγορίαStatic typingen
Θεματική ΚατηγορίαKotlinen
Θεματική ΚατηγορίαCompiler bugsen
Βιβλιογραφική ΑναφοράS. Chaliasos, T. Sotiropoulos, G.-P. Drosos, C. Mitropoulos, D. Mitropoulos and D. Spinellis, “Well-typed programs can go wrong: a study of typing-related bugs in JVM compilers,” Proc. ACM Program. Lang., vol. 5, no. OOPSLA, Oct. 2021, doi: 10.1145/3485500.en

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