[Checkers] TypesRelations loop

Matt Papi mpapi at csail.mit.edu
Tue Apr 22 16:34:50 EDT 2008

Actually, it (or a similar problem) is still happening. Same commands,
etc. as above, but under SVN r2251:

        at checkers.util.TypeRelations.isSubtypeImpl(TypeRelations.java:171)
        at checkers.util.TypeRelations.compareTypeArg(TypeRelations.java:58)
        at checkers.util.TypeRelations.compareTypeArguments(TypeRelations.java:116)

- Matt

On Mon, Apr 21, 2008 at 3:24 PM, Matt Papi <mpapi at csail.mit.edu> wrote:
> When running the NonNull checker on Daikon (per Mike's instructions in
>  a previous message) I'm getting a StackOverflowError. Here's the
>  essential part of the stack trace:
>         at checkers.util.TypeRelations.isSubtype(TypeRelations.java:162)
>         at checkers.util.TypeRelations.compareTypeArg(TypeRelations.java:56)
>         at checkers.util.TypeRelations.compareTypeArguments(TypeRelations.java:117)
>  Strangely, sometimes it doesn't occur at all, and when it does, it's
>  happening while checking different files.
>  (I'm running "javac -typeprocessor checkers.nonnull.NonNullChecker
>  -Afilenames `findfile '*.java'`" in
>  ~mernst/tmp/nninfer/invariants-java  with a clean checkout + build of
>  checkers r2242.)
>  - Matt

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