# Issues with clang-UBSAN

**URL:** <https://discourse.mc-stan.org/t/issues-with-clang-ubsan/13524>\
**Category:** RStan\
**Created:** [March 4, 2020, 4:35pm UTC](https://discourse.mc-stan.org/t/issues-with-clang-ubsan/13524 "2020-03-04T16:35:55Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![wds15](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.mc-stan.org/wds15/32/908_2.png) [@wds15](https://discourse.mc-stan.org/u/wds15)\
**Post date:** [September 6, 2022, 7:45am UTC](https://discourse.mc-stan.org/t/issues-with-clang-ubsan/13524/7 "2022-09-06T07:45:06Z")

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it’s about some fancy indexing things which cause the problem here… that’s what I guess at least. Hopefully we get rstan 2.26 on CRAN which may solve these issues (but do not wait for that)!

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