R Under development (unstable) (2026-07-04 r90207) -- "Unsuffered Consequences"
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> if (base::require("testthat", quietly = TRUE)) {
+     pkg   <- "lme4"
+     require(pkg, character.only=TRUE, quietly=TRUE)
+     if(getRversion() < "3.5.0") { withAutoprint <- identity ; prt <- print } else { prt <- identity }
+     if(Sys.getenv("USER") %in% c("maechler", "bbolker")) withAutoprint({
+         ## for developers' sake:
+         lP <- .libPaths() # ---- .libPaths() : ----
+         prt(lP)
+         ## ---- Entries in .libPaths()[1] : ----
+         prt(list.files(lP[1], include.dirs=TRUE))
+         prt(sessionInfo())
+         prt(packageDescription("Matrix"))
+         ## 'lme4' from packageDescription "file" :
+         prt(attr(packageDescription("lme4"), "file"))
+     })
+     test_check(pkg)
+     ##======== ^^^
+     print(warnings()) # TODO? catch most of these by expect_warning(..)
+ } else {
+     cat( "package 'testthat' not available, cannot run unit tests\n" )
+ }
=================================================================
==464039==ERROR: AddressSanitizer: heap-use-after-free on address 0x7ce75eac50b0 at pc 0x7b274a80093c bp 0x7ffdb1945b10 sp 0x7ffdb1945b08
READ of size 16 at 0x7ce75eac50b0 thread T0
    #0 0x7b274a80093b in Eigen::internal::product_evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, 8, Eigen::DiagonalShape, Eigen::DenseShape, double, double>::coeff(long, long) const /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/ProductEvaluators.h:925:46
    #1 0x7b274a80093b in Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>::assignCoeff(long, long) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:654:58
    #2 0x7b274a80093b in Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>::assignCoeffByOuterInner(long, long) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:668:5
    #3 0x7b274a80093b in Eigen::internal::dense_assignment_loop<Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>, 0, 0>::run(Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:347:16
    #4 0x7b274a80093b in void Eigen::internal::call_dense_assignment_loop<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:785:3
    #5 0x7b274a80093b in Eigen::internal::Assignment<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>, Eigen::internal::Dense2Dense, void>::run(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:954:5
    #6 0x7b274a80093b in void Eigen::internal::call_assignment_no_alias<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:890:3
    #7 0x7b274a80093b in void Eigen::internal::call_assignment<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&, Eigen::internal::enable_if<!evaluator_assume_aliasing<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>::value, void*>::type) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:858:3
    #8 0x7b274a80093b in void Eigen::internal::call_assignment<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:836:3
    #9 0x7b274a80093b in Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>& Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>::operator=<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>(Eigen::DenseBase<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/Assign.h:66:3
    #10 0x7b274a80093b in Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>& Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>::operator=<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>(Eigen::DenseBase<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/Map.h:162:5
    #11 0x7b274a80093b in lme4::merPredD::updateXwts(Eigen::Array<double, -1, 1, 0, -1, 1> const&) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/predModule.cpp:221:30
    #12 0x7b274a78ecd2 in internal_glmerWrkIter(lme4::merPredD*, lme4::glmResp*, bool) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:274:13
    #13 0x7b274a78ecd2 in pwrssUpdate(lme4::glmResp*, lme4::merPredD*, bool, double, int, int) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:330:20
    #14 0x7b274a78dbc8 in glmerLaplace /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:386:9
    #15 0x562a5e4aeb06 in R_doDotCall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:770:11
    #16 0x562a5e572d2d in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8700:21
    #17 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #18 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #19 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #20 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #21 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #22 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #23 0x562a5e5b2bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #24 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #25 0x562a5e5b0269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #26 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #27 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #28 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #29 0x562a5e57aeba in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #30 0x562a5e57aeba in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8121:16
    #31 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #32 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #33 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #34 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #35 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #36 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #37 0x562a5e5b2bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #38 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #39 0x562a5e4a3365 in do_External /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:573:11
    #40 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #41 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #42 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #43 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #44 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #45 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #46 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #47 0x562a5e5b0269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #48 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #49 0x562a5e5b7653 in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3975:13
    #50 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #51 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #52 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #53 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #54 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #55 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #56 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #57 0x562a5e5b7fba in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3993:9
    #58 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #59 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #60 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #61 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #62 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #63 0x562a5e5aa744 in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #64 0x562a5e5aa744 in R_forceAndCall /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2465:8
    #65 0x562a5e361d11 in do_lapply /data/gannet/ripley/R/svn/R-devel/src/main/apply.c:75:8
    #66 0x562a5e6614b9 in do_internal /data/gannet/ripley/R/svn/R-devel/src/main/names.c:1424:11
    #67 0x562a5e56cf93 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8170:15
    #68 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #69 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #70 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #71 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #72 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #73 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #74 0x562a5e5b0269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #75 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #76 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #77 0x562a5e62abe1 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:264:23
    #78 0x562a5e62d410 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317:11
    #79 0x562a5e62d410 in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1235:5
    #80 0x562a5e62d4a2 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1242:5
    #81 0x562a5e32ed3c in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29:5
    #82 0x7f2762012574 in __libc_start_call_main (/lib64/libc.so.6+0x3574) (BuildId: 92b5376d35bb29c098175948cf3e7cbcae3aeae1)
    #83 0x7f2762012627 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x3627) (BuildId: 92b5376d35bb29c098175948cf3e7cbcae3aeae1)
    #84 0x562a5e2467d4 in _start (/data/gannet/ripley/R/clang-ASAN/bin/exec/R+0x17d4)

0x7ce75eac50b0 is located 48 bytes inside of 1840-byte region [0x7ce75eac5080,0x7ce75eac57b0)
freed by thread T0 here:
    #0 0x562a5e2eb916 in free /home/runner/work/llvm-project/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:51:3
    #1 0x562a5e64831b in ReleaseLargeFreeVectors /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:1167:7
    #2 0x562a5e64831b in RunGenCollect /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:1951:5
    #3 0x562a5e63b18b in R_gc_internal /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:3237:19
    #4 0x562a5e650fc5 in CONS_NR /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2519:2
    #5 0x562a5e56bcfa in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8059:21
    #6 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #7 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #8 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #9 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #10 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #11 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #12 0x562a5e53ebe4 in evalKeepVis /data/gannet/ripley/R/svn/R-devel/src/main/errors.c:43:16
    #13 0x562a5e53ebe4 in vsignalWarning /data/gannet/ripley/R/svn/R-devel/src/main/errors.c:1808:2
    #14 0x562a5e53e388 in Rf_warningcall /data/gannet/ripley/R/svn/R-devel/src/main/errors.c:562:5
    #15 0x562a5e5476e9 in do_warning /data/gannet/ripley/R/svn/R-devel/src/main/errors.c
    #16 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #17 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #18 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #19 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #20 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #21 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #22 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #23 0x562a5e5b2bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #24 0x562a5e559840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #25 0x562a5e4a3365 in do_External /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:573:11
    #26 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #27 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #28 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #29 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #30 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #31 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16

previously allocated by thread T0 here:
    #0 0x562a5e2ebbb4 in malloc /home/runner/work/llvm-project/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:67:3
    #1 0x562a5e635c7c in Rf_allocVector3 /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2894:7
    #2 0x562a5e38e32b in Rf_allocVector /data/gannet/ripley/R/svn/R-devel/src/include/Rinlinedfuns.h:609:12
    #3 0x562a5e38e32b in Rf_allocMatrix /data/gannet/ripley/R/svn/R-devel/src/main/array.c:236:17
    #4 0x7b27514d80ce in modelmatrix /data/gannet/ripley/R/svn/R-devel/src/library/stats/src/model.c:676:17
    #5 0x562a5e4a3365 in do_External /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:573:11
    #6 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #7 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #8 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #9 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #10 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #11 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #12 0x562a5e667e14 in dispatchMethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:473:16
    #13 0x562a5e666a98 in Rf_usemethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:523:9
    #14 0x562a5e669073 in do_usemethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:579:9
    #15 0x562a5e56cf93 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8170:15
    #16 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #17 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #18 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #19 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #20 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #21 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #22 0x562a5e5b7653 in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3975:13
    #23 0x562a5e56777a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #24 0x562a5e55ad74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #25 0x562a5e559301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #26 0x562a5e5a1a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #27 0x562a5e5a0c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #28 0x562a5e55c3be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #29 0x562a5e559d28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #30 0x562a5e5b2bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8

SUMMARY: AddressSanitizer: heap-use-after-free /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/ProductEvaluators.h:925:46 in Eigen::internal::product_evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, 8, Eigen::DiagonalShape, Eigen::DenseShape, double, double>::coeff(long, long) const
Shadow bytes around the buggy address:
  0x7ce75eac4e00: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac4e80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac4f00: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac4f80: fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa fa
  0x7ce75eac5000: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x7ce75eac5080: fd fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd
  0x7ce75eac5100: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac5180: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac5200: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac5280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7ce75eac5300: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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
==464039==ABORTING