Hi, I maintain a package on CRAN. Recently I posted an update and was asked about UBSAN warning produced during checks of the previous version: https://www.stats.ox.ac.uk/pub/bdr/memtests/clang-UBSAN/kernelboot/tests/testthat.Rout It is not clear for me where does the warning come from, could you give me some hints what could it be? The warning message seems to relate to Rcpp itself, isn't it? If not, what is the best way of diagnosing causes of such warnings?
Thanks in advance, Timothy
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