I can confirm the segmentation fault does not occur as of r79170. On Wed, 9 Sep 2020 at 19:06, Tomas Kalibera <tomas.kalib...@gmail.com> wrote: > > On 9/8/20 11:47 PM, Jeroen Ooms wrote: > > On Tue, Sep 8, 2020 at 11:44 PM Jeroen Ooms <jeroeno...@gmail.com> wrote: > >> On Tue, Sep 8, 2020 at 5:20 PM Tomas Kalibera <tomas.kalib...@gmail.com> > >> wrote: > >>> On 9/8/20 4:48 PM, Hugh Parsonage wrote: > >>>> Unfortunately I only get > >>>> > >>>> [Thread 21752.0x4aa8 exited with code 3221225477] > >>>> [Thread 21752.0x4514 exited with code 3221225477] > >>>> [Thread 21752.0x3f10 exited with code 3221225477] > >>>> [Inferior 1 (process 21752) exited with code 030000000005] > >>>> > >>>> (I'm guessing I would need to build an instrumented version of R, or > >>>> can R be debugged using gdb with an off-the-shelf installation?) > >>> No, the default build lacks debug symbols. You need a build with debug > >>> symbols, and if you can reproduce in a build without compiler > >>> optimizations (-O0), the backtrace may be easier to interpret. Some bugs > >>> however "disappear" when optimizations are disabled. You can build R > >>> from source (and there may be debug builds provided by someone else > >>> (Jeroen?)). > >> Debug builds for each revision are available from > >> https://r-devel.github.io . To download the installer you need to > >> click the github icon in the last column in the table. You need to be > >> signed in with a (free) Github account in order to download builds > >> (artifacts) from Github actions. It will show download links for both > >> the regular installer and installer with debug symbols. > >> > >> In other news, the https://r-devel.github.io table also shows that the > >> fix that martin committed is segfaulting on 32-bit. > > Sorry that was inaccurate, it is not segfaulting at all, but the unit > > test is raising an error on 32-bit. > > Now fixed, the test needs to be run only on 64-bit builds where such > long vectors/sequences are allowed. > > Tomas >
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