UBSAN on CRAN: nan is outside the range of representable values of type 'unsigned int'

[helske]

R Under development (unstable) (2017-07-12 r72910) -- "Unsuffered Consequences"
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> library("testthat")
> test_check("bssm")
Loading required package: bssm
/data/gannet/ripley/R/test-clang/Rcpp/include/Rcpp/internal/caster.h:30:25: runtime error: value nan is outside the range of representable values of type 'unsigned int'
SUMMARY: AddressSanitizer: undefined-behavior /data/gannet/ripley/R/test-clang/Rcpp/include/Rcpp/internal/caster.h:30:25 in 
OMP: Warning #96: Cannot form a team with 24 threads, using 2 instead.
OMP: Hint: Consider unsetting KMP_ALL_THREADS and OMP_THREAD_LIMIT (if either is set).
testthat results ================================================================
OK: 127 SKIPPED: 9 FAILED: 0
> 
> proc.time()
   user  system elapsed 
 16.443   0.740  18.432 

[helske]

This is fixed already, not sure how though...