* using log directory ‘/data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel.Rcheck’
* using R Under development (unstable) (2026-02-19 r89439)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
    GNU Fortran (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
* running under: Fedora Linux 42 (Workstation Edition)
* using session charset: UTF-8
* current time: 2026-02-20 03:06:45 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘poLCAParallel/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘poLCAParallel’ version ‘1.2.6’
* package encoding: UTF-8
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package ‘poLCAParallel’ can be installed ... [398s/87s] OK
* used C compiler: ‘gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)’
* used C++ compiler: ‘g++ (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)’
* checking C++ specification ... INFO
  specified C++20
* checking package directory ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking compiled code ... OK
* checking examples ... ERROR
Running examples in ‘poLCAParallel-Ex.R’ failed
The error most likely occurred in:

> ### Name: cheating
> ### Title: GPA and chronic cheating (sample data)
> ### Aliases: cheating
> ### Keywords: datasets
> 
> ### ** Examples
> 
> ##
> ## Replication of latent class models in Dayton (1998)
> ##
> ## Example 1. Two-class LCA. (Table 3.3, p. 32)
> ##
> data(cheating)
> f <- cbind(LIEEXAM,LIEPAPER,FRAUD,COPYEXAM)~1
> ch2 <- poLCA(f,cheating,nclass=2)	# log-likelihood: -440.0271
Conditional item response (column) probabilities,
  
 by outcome variable, for each class (row) 
 
$LIEEXAM
           Pr(1)  Pr(2)
class 1:  0.4231 0.5769
class 2:  0.9834 0.0166

$LIEPAPER
           Pr(1)  Pr(2)
class 1:  0.4109 0.5891
class 2:  0.9708 0.0292

$FRAUD
           Pr(1)  Pr(2)
class 1:  0.7840 0.2160
class 2:  0.9629 0.0371

$COPYEXAM
           Pr(1)  Pr(2)
class 1:  0.6236 0.3764
class 2:  0.8181 0.1819

Estimated class population shares 
 0.1606 0.8394 
 
Predicted class memberships (by modal posterior prob.) 
 0.1693 0.8307 
 
========================================================= 
Fit for 2 latent classes: 
========================================================= 
number of observations: 319 
number of estimated parameters: 9 
residual degrees of freedom: 6 
maximum log-likelihood: -440.0271 
 
AIC(2): 898.0542
BIC(2): 931.9409
G^2(2): 7.764242 (Likelihood ratio/deviance statistic) 
X^2(2): 8.323404 (Chi-square goodness of fit) 
 
> 
> ##
> ## Example 2. Two-class latent class regression using
> ## GPA as a covariate to predict class membership as
> ## "cheaters" vs. "non-cheaters".
> ## (Table 7.1, p. 85, and Figure 7.1, p. 86)
> ##
> f2 <- cbind(LIEEXAM,LIEPAPER,FRAUD,COPYEXAM)~GPA
> ch2c <- poLCA(f2,cheating,nclass=2)	# log-likelihood: -429.6384
=================================================================
==3669476==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7b26ac7c0290 at pc 0x7b269e302482 bp 0x7fff48d0f910 sp 0x7fff48d0f908
READ of size 8 at 0x7b26ac7c0290 thread T0
    #0 0x7b269e302481 in arma::Proxy<arma::Col<double> >::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Proxy.hpp:226
    #1 0x7b269e302481 in arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/eGlue_meat.hpp:68
    #2 0x7b269e302481 in arma::Proxy<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur> >::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Proxy.hpp:414
    #3 0x7b269e302481 in arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus>::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/eGlue_meat.hpp:68
    #4 0x7b269e302481 in arma::Mat<double>::Mat<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus>(arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus> const&, arma::arma_vec_indicator const&, unsigned short) /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Mat_meat.hpp:6406
    #5 0x7b269e302481 in arma::Col<double>::Col<arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus> >(arma::Base<double, arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus> > const&) /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Col_meat.hpp:524
    #6 0x7b269e302481 in polca_parallel::EmAlgorithmRegress::CalcHessSubBlock(unsigned long, unsigned long) /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:197
    #7 0x7b269e3078f8 in polca_parallel::EmAlgorithmRegress::CalcHess() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:149
    #8 0x7b269e2e19b4 in polca_parallel::EmAlgorithmRegress::MStep() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:94
    #9 0x7b269e2819d8 in polca_parallel::EmAlgorithm::Fit() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm.cc:130
    #10 0x7b269e2a93dc in void polca_parallel::EmAlgorithmArray::FitThread<polca_parallel::EmAlgorithmRegress>() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_array.cc:169
    #11 0x7b269e2ad6ea in void polca_parallel::EmAlgorithmArray::Fit<polca_parallel::EmAlgorithmRegress>() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_array.cc:89
    #12 0x7b269e2dd575 in EmAlgorithmRcpp(Rcpp::Matrix<14, Rcpp::PreserveStorage>, Rcpp::Matrix<13, Rcpp::PreserveStorage>, Rcpp::Vector<14, Rcpp::PreserveStorage>, unsigned long, unsigned long, Rcpp::Vector<13, Rcpp::PreserveStorage>, unsigned long, unsigned long, bool, unsigned long, unsigned int, double, Rcpp::Vector<13, Rcpp::PreserveStorage>) /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_rcpp.cc:138
    #13 0x7b269e244379 in _poLCAParallel_EmAlgorithmRcpp /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/RcppExports.cpp:55
    #14 0x00000074fd76 in R_doDotCall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:807
    #15 0x0000008e661a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8682
    #16 0x0000008bce5b in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7515
    #17 0x00000085d782 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
    #18 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
    #19 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
    #20 0x00000085de23 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
    #21 0x00000085de23 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
    #22 0x00000088bc6e in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3581
    #23 0x00000085e246 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
    #24 0x000000a028c8 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:264
    #25 0x000000a028c8 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317
    #26 0x000000a10c2a in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1235
    #27 0x000000a10cc2 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1242
    #28 0x00000041317f in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29
    #29 0x7f26b0c115f4 in __libc_start_call_main (/lib64/libc.so.6+0x35f4) (BuildId: a1dda014206b55b07f58fe8db80121b752dc3d03)
    #30 0x7f26b0c116a7 in __libc_start_main@@GLIBC_2.34 (/lib64/libc.so.6+0x36a7) (BuildId: a1dda014206b55b07f58fe8db80121b752dc3d03)
    #31 0x000000413b64 in _start (/data/gannet/ripley/R/gcc-SAN3/bin/exec/R+0x413b64) (BuildId: 0d40351ce159fd440cf1bc86fd80966731bca401)

Address 0x7b26ac7c0290 is located in stack of thread T0 at offset 656 in frame
    #0 0x7b269e2f695f in polca_parallel::EmAlgorithmRegress::CalcHessSubBlock(unsigned long, unsigned long) /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:155

  This frame has 29 object(s):
    [32, 33) '<unknown>'
    [48, 56) '__x' (line 154)
    [80, 88) '__x' (line 154)
    [112, 120) 'dest' (line 154)
    [144, 152) 'dest' (line 154)
    [176, 184) 'out_mem'
    [208, 216) 'mem_aligned'
    [240, 248) 'mem_aligned'
    [272, 280) 'mem_aligned'
    [304, 312) 'mem_aligned'
    [336, 344) 'mem_aligned'
    [368, 376) 'mem_aligned'
    [400, 408) 'mem_aligned'
    [432, 440) 'mem_aligned'
    [464, 472) 'mem_aligned'
    [496, 504) 'mem_aligned'
    [528, 536) 'mem_aligned'
    [560, 568) 'mem_aligned'
    [592, 608) 'prior_post_inter' (line 191)
    [624, 640) '<unknown>'
    [656, 672) '<unknown>' <== Memory access at offset 656 is inside this variable
    [688, 720) '<unknown>'
    [752, 784) '<unknown>'
    [816, 848) '<unknown>'
    [880, 1056) 'prior1' (line 179)
    [1120, 1296) 'posterior1' (line 172)
    [1360, 1536) 'prior0' (line 164)
    [1600, 1776) 'posterior0' (line 163)
    [1840, 2016) '<unknown>'
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-use-after-scope /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Proxy.hpp:226 in arma::Proxy<arma::Col<double> >::get_n_rows() const
Shadow bytes around the buggy address:
  0x7b26ac7c0000: f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
  0x7b26ac7c0080: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
  0x7b26ac7c0100: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
  0x7b26ac7c0180: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
  0x7b26ac7c0200: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 00 f2 f2 f8 f8
=>0x7b26ac7c0280: f2 f2[f8]f8 f2 f2 00 00 00 00 f2 f2 f2 f2 00 00
  0x7b26ac7c0300: 00 00 f2 f2 f2 f2 00 00 00 00 f2 f2 f2 f2 00 00
  0x7b26ac7c0380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7b26ac7c0400: 00 00 00 00 f2 f2 f2 f2 f2 f2 f2 f2 00 00 00 00
  0x7b26ac7c0480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7b26ac7c0500: 00 00 f2 f2 f2 f2 f2 f2 f2 f2 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==3669476==ABORTING
* checking tests ... [48s/45s] ERROR
  Running ‘testthat.R’ [47s/43s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > 
  > test_check("poLCAParallel")
  Loading required package: poLCAParallel
  =================================================================
  ==3669598==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7b4d757b8290 at pc 0x7b4d65102482 bp 0x7ffd918e15d0 sp 0x7ffd918e15c8
  READ of size 8 at 0x7b4d757b8290 thread T0
      #0 0x7b4d65102481 in arma::Proxy<arma::Col<double> >::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Proxy.hpp:226
      #1 0x7b4d65102481 in arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/eGlue_meat.hpp:68
      #2 0x7b4d65102481 in arma::Proxy<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur> >::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Proxy.hpp:414
      #3 0x7b4d65102481 in arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus>::get_n_rows() const /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/eGlue_meat.hpp:68
      #4 0x7b4d65102481 in arma::Mat<double>::Mat<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus>(arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus> const&, arma::arma_vec_indicator const&, unsigned short) /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Mat_meat.hpp:6406
      #5 0x7b4d65102481 in arma::Col<double>::Col<arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus> >(arma::Base<double, arma::eGlue<arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eGlue<arma::Col<double>, arma::Col<double>, arma::eglue_schur>, arma::eglue_minus> > const&) /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Col_meat.hpp:524
      #6 0x7b4d65102481 in polca_parallel::EmAlgorithmRegress::CalcHessSubBlock(unsigned long, unsigned long) /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:197
      #7 0x7b4d651078f8 in polca_parallel::EmAlgorithmRegress::CalcHess() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:149
      #8 0x7b4d650e19b4 in polca_parallel::EmAlgorithmRegress::MStep() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:94
      #9 0x7b4d650819d8 in polca_parallel::EmAlgorithm::Fit() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm.cc:130
      #10 0x7b4d650a93dc in void polca_parallel::EmAlgorithmArray::FitThread<polca_parallel::EmAlgorithmRegress>() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_array.cc:169
      #11 0x7b4d650ad6ea in void polca_parallel::EmAlgorithmArray::Fit<polca_parallel::EmAlgorithmRegress>() /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_array.cc:89
      #12 0x7b4d650dd575 in EmAlgorithmRcpp(Rcpp::Matrix<14, Rcpp::PreserveStorage>, Rcpp::Matrix<13, Rcpp::PreserveStorage>, Rcpp::Vector<14, Rcpp::PreserveStorage>, unsigned long, unsigned long, Rcpp::Vector<13, Rcpp::PreserveStorage>, unsigned long, unsigned long, bool, unsigned long, unsigned int, double, Rcpp::Vector<13, Rcpp::PreserveStorage>) /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_rcpp.cc:138
      #13 0x7b4d65044379 in _poLCAParallel_EmAlgorithmRcpp /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/RcppExports.cpp:55
      #14 0x00000074fd76 in R_doDotCall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:807
      #15 0x0000008e661a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8682
      #16 0x0000008bce5b in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7515
      #17 0x00000085d782 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
      #18 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
      #19 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
      #20 0x00000085de23 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
      #21 0x00000085de23 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
      #22 0x00000088bc6e in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3581
      #23 0x00000085e246 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
      #24 0x000000871ccb in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2992
      #25 0x00000085e246 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
      #26 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
      #27 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
      #28 0x00000085de23 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
      #29 0x00000085de23 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
      #30 0x00000073b9ea in do_External /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:573
      #31 0x0000008cfc12 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8132
      #32 0x0000008bce5b in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7515
      #33 0x00000085d782 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
      #34 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
      #35 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
      #36 0x00000085de23 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
      #37 0x00000085de23 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
      #38 0x000000871ccb in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2992
      #39 0x00000085e246 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
      #40 0x00000087d8ff in do_for /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2874
      #41 0x00000085e246 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
      #42 0x000000871ccb in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2992
      #43 0x00000085e246 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1232
      #44 0x000000893211 in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3955
      #45 0x0000008cfc12 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8132
      #46 0x0000008bce5b in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7515
      #47 0x00000085d782 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
      #48 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
      #49 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
      #50 0x00000085de23 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
      #51 0x00000085de23 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
      #52 0x000000894303 in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3973
      #53 0x0000008cfc12 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8132
      #54 0x0000008bce5b in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7515
      #55 0x00000085d782 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
      #56 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
      #57 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
      #58 0x000000878dd7 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
      #59 0x000000878dd7 in R_forceAndCall /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2456
      #60 0x00000049a216 in do_lapply /data/gannet/ripley/R/svn/R-devel/src/main/apply.c:75
      #61 0x000000a96306 in do_internal /data/gannet/ripley/R/svn/R-devel/src/main/names.c:1411
      #62 0x0000008dce21 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8152
      #63 0x0000008bce5b in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7515
      #64 0x00000085d782 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167
      #65 0x0000008734ca in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2389
      #66 0x0000008774ba in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2302
      #67 0x00000085de23 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2324
      #68 0x00000085de23 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1280
      #69 0x000000a028c8 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:264
      #70 0x000000a028c8 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317
      #71 0x000000a10c2a in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1235
      #72 0x000000a10cc2 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1242
      #73 0x00000041317f in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29
      #74 0x7f4d79c115f4 in __libc_start_call_main (/lib64/libc.so.6+0x35f4) (BuildId: a1dda014206b55b07f58fe8db80121b752dc3d03)
      #75 0x7f4d79c116a7 in __libc_start_main@@GLIBC_2.34 (/lib64/libc.so.6+0x36a7) (BuildId: a1dda014206b55b07f58fe8db80121b752dc3d03)
      #76 0x000000413b64 in _start (/data/gannet/ripley/R/gcc-SAN3/bin/exec/R+0x413b64) (BuildId: 0d40351ce159fd440cf1bc86fd80966731bca401)
  
  Address 0x7b4d757b8290 is located in stack of thread T0 at offset 656 in frame
      #0 0x7b4d650f695f in polca_parallel::EmAlgorithmRegress::CalcHessSubBlock(unsigned long, unsigned long) /data/gannet/ripley/R/packages/tests-gcc-SAN/poLCAParallel/src/em_algorithm_regress.cc:155
  
    This frame has 29 object(s):
      [32, 33) '<unknown>'
      [48, 56) '__x' (line 154)
      [80, 88) '__x' (line 154)
      [112, 120) 'dest' (line 154)
      [144, 152) 'dest' (line 154)
      [176, 184) 'out_mem'
      [208, 216) 'mem_aligned'
      [240, 248) 'mem_aligned'
      [272, 280) 'mem_aligned'
      [304, 312) 'mem_aligned'
      [336, 344) 'mem_aligned'
      [368, 376) 'mem_aligned'
      [400, 408) 'mem_aligned'
      [432, 440) 'mem_aligned'
      [464, 472) 'mem_aligned'
      [496, 504) 'mem_aligned'
      [528, 536) 'mem_aligned'
      [560, 568) 'mem_aligned'
      [592, 608) 'prior_post_inter' (line 191)
      [624, 640) '<unknown>'
      [656, 672) '<unknown>' <== Memory access at offset 656 is inside this variable
      [688, 720) '<unknown>'
      [752, 784) '<unknown>'
      [816, 848) '<unknown>'
      [880, 1056) 'prior1' (line 179)
      [1120, 1296) 'posterior1' (line 172)
      [1360, 1536) 'prior0' (line 164)
      [1600, 1776) 'posterior0' (line 163)
      [1840, 2016) '<unknown>'
  HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
        (longjmp and C++ exceptions *are* supported)
  SUMMARY: AddressSanitizer: stack-use-after-scope /data/gannet/ripley/R/test-dev/RcppArmadillo/include/current/armadillo_bits/Proxy.hpp:226 in arma::Proxy<arma::Col<double> >::get_n_rows() const
  Shadow bytes around the buggy address:
    0x7b4d757b8000: f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
    0x7b4d757b8080: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
    0x7b4d757b8100: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
    0x7b4d757b8180: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 f2
    0x7b4d757b8200: f2 f2 00 f2 f2 f2 00 f2 f2 f2 00 00 f2 f2 f8 f8
  =>0x7b4d757b8280: f2 f2[f8]f8 f2 f2 00 00 00 00 f2 f2 f2 f2 00 00
    0x7b4d757b8300: 00 00 f2 f2 f2 f2 00 00 00 00 f2 f2 f2 f2 00 00
    0x7b4d757b8380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x7b4d757b8400: 00 00 00 00 f2 f2 f2 f2 f2 f2 f2 f2 00 00 00 00
    0x7b4d757b8480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    0x7b4d757b8500: 00 00 f2 f2 f2 f2 f2 f2 f2 f2 00 00 00 00 00 00
  Shadow byte legend (one shadow byte represents 8 application bytes):
    Addressable:           00
    Partially addressable: 01 02 03 04 05 06 07 
    Heap left redzone:       fa
    Freed heap region:       fd
    Stack left redzone:      f1
    Stack mid redzone:       f2
    Stack right redzone:     f3
    Stack after return:      f5
    Stack use after scope:   f8
    Global redzone:          f9
    Global init order:       f6
    Poisoned by user:        f7
    Container overflow:      fc
    Array cookie:            ac
    Intra object redzone:    bb
    ASan internal:           fe
    Left alloca redzone:     ca
    Right alloca redzone:    cb
  ==3669598==ABORTING
* DONE
Status: 2 ERRORs