R Under development (unstable) (2026-07-04 r90207) -- "Unsuffered Consequences"
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> ## original code was designed to detect segfaults/hangs from error handling
> 
> library(lme4)
Loading required package: Matrix
> set.seed(101)
> d <- expand.grid(block = LETTERS[1:26],
+                  rep = 1:100)
> d$x <- runif(nrow(d))
> reff_f <- rnorm(length(levels(d$block)),sd=1)
> ## need intercept large enough to avoid negative values
> d$eta0 <- 4+3*d$x  ## version without random effects
> d$eta <- d$eta0+reff_f[d$block]
> ## inverse link
> d$mu <- 1/d$eta
> d$y <- rgamma(nrow(d), scale=d$mu/2, shape=2)
> 
> if (.Platform$OS.type != "windows") {
+ gm0     <- glmer(y ~      1|block,  d, Gamma)
+ gm0.A25 <- glmer(y ~      1|block,  d, Gamma, nAGQ=25L)
+ gm1     <- glmer(y ~ x + (1|block), d, Gamma)
+ gm1.A25 <- glmer(y ~ x + (1|block), d, Gamma, nAGQ=25L)
+ 
+ ## strange things happening for logLik  ==> AIC, etc for nAGQ ???
+ anova(gm0, gm1)
+ anova(gm0, gm0.A25)
+ anova(gm1, gm1.A25)
+ 
+ summary(gm1) # "fine"
+ summary(gm1.A25) # Inf logLik etc ?
+ 
+ }
=================================================================
==631261==ERROR: AddressSanitizer: heap-use-after-free on address 0x7e80b8d94430 at pc 0x7ba0a4b5e93c bp 0x7ffe0c4056d0 sp 0x7ffe0c4056c8
READ of size 16 at 0x7e80b8d94430 thread T0
    #0 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4b5e93b 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 0x7ba0a4aeccd2 in internal_glmerWrkIter(lme4::merPredD*, lme4::glmResp*, bool) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:274:13
    #13 0x7ba0a4aeccd2 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 0x7ba0a4aebbc8 in glmerLaplace /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:386:9
    #15 0x56139be62b06 in R_doDotCall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:770:11
    #16 0x56139bf26d2d in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8700:21
    #17 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #18 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #19 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #20 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #21 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #22 0x56139bf0dd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #23 0x56139bf66bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #24 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #25 0x56139bf64269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #26 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #27 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #28 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #29 0x56139bf2eeba in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #30 0x56139bf2eeba in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8121:16
    #31 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #32 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #33 0x56139bf0f60a in forcePromise /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:976:13
    #34 0x56139bf0d4f5 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1185:6
    #35 0x56139bf0f9a2 in Rf_evalList /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3683:12
    #36 0x56139bf0d9d1 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1249:20
    #37 0x56139bf66bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #38 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #39 0x56139bf0f9a2 in Rf_evalList /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3683:12
    #40 0x56139bf0d9d1 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1249:20
    #41 0x56139bf0f9a2 in Rf_evalList /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3683:12
    #42 0x56139bf0d9d1 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1249:20
    #43 0x56139bf0f60a in forcePromise /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:976:13
    #44 0x56139bf0d2b7 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1191:2
    #45 0x56139bf1b77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #46 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #47 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #48 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #49 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #50 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #51 0x56139bf0dd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #52 0x56139bf64269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #53 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #54 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #55 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #56 0x56139bf2eeba in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #57 0x56139bf2eeba in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8121:16
    #58 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #59 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #60 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #61 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #62 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #63 0x56139bf0dd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #64 0x56139bdc3abc in do_docall /data/gannet/ripley/R/svn/R-devel/src/main/coerce.c:2788:12
    #65 0x56139bf1b77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #66 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #67 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #68 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #69 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #70 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #71 0x56139bf0dd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #72 0x56139bf66bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #73 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #74 0x56139bf64269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #75 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #76 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #77 0x56139bfdebe1 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:264:23
    #78 0x56139bfe1410 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317:11
    #79 0x56139bfe1410 in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1235:5
    #80 0x56139bfe14a2 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1242:5
    #81 0x56139bce2d3c in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29:5
    #82 0x7fa0bc111574 in __libc_start_call_main (/lib64/libc.so.6+0x3574) (BuildId: 92b5376d35bb29c098175948cf3e7cbcae3aeae1)
    #83 0x7fa0bc111627 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x3627) (BuildId: 92b5376d35bb29c098175948cf3e7cbcae3aeae1)
    #84 0x56139bbfa7d4 in _start (/data/gannet/ripley/R/clang-ASAN/bin/exec/R+0x17d4)

0x7e80b8d94430 is located 48 bytes inside of 41648-byte region [0x7e80b8d94400,0x7e80b8d9e6b0)
freed by thread T0 here:
    #0 0x56139bc9f916 in free /home/runner/work/llvm-project/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:51:3
    #1 0x56139bffc31b in ReleaseLargeFreeVectors /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:1167:7
    #2 0x56139bffc31b in RunGenCollect /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:1951:5
    #3 0x56139bfef18b in R_gc_internal /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:3237:19
    #4 0x56139c0060e5 in Rf_mkPROMISE /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2613:2
    #5 0x56139c006a87 in R_mkEVPROMISE_NR /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2653:17
    #6 0x56139c141905 in R_DispatchOrEvalSP /data/gannet/ripley/R/svn/R-devel/src/main/subset.c:666:9
    #7 0x56139c14eb2f in do_subset3 /data/gannet/ripley/R/svn/R-devel/src/main/subset.c:1264:8
    #8 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #9 0x56139bf0d541 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1219:19
    #10 0x56139bf64269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #11 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #12 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #13 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #14 0x56139bf2eeba in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #15 0x56139bf2eeba in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8121:16
    #16 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #17 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #18 0x56139bf0f60a in forcePromise /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:976:13
    #19 0x56139bf0d4f5 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1185:6
    #20 0x56139bf0f9a2 in Rf_evalList /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3683:12
    #21 0x56139bf0d9d1 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1249:20
    #22 0x56139bf66bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #23 0x56139bf0d840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #24 0x56139bf0f9a2 in Rf_evalList /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3683:12
    #25 0x56139bf0d9d1 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1249:20
    #26 0x56139bf0f9a2 in Rf_evalList /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3683:12
    #27 0x56139bf0d9d1 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1249:20
    #28 0x56139bf0f60a in forcePromise /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:976:13
    #29 0x56139bf0d2b7 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1191:2
    #30 0x56139bf1b77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #31 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16

previously allocated by thread T0 here:
    #0 0x56139bc9fbb4 in malloc /home/runner/work/llvm-project/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:67:3
    #1 0x56139bfe9c7c in Rf_allocVector3 /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2894:7
    #2 0x56139bd4232b in Rf_allocVector /data/gannet/ripley/R/svn/R-devel/src/include/Rinlinedfuns.h:609:12
    #3 0x56139bd4232b in Rf_allocMatrix /data/gannet/ripley/R/svn/R-devel/src/main/array.c:236:17
    #4 0x7ba0ab69c0ce in modelmatrix /data/gannet/ripley/R/svn/R-devel/src/library/stats/src/model.c:676:17
    #5 0x56139be57365 in do_External /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:573:11
    #6 0x56139bf1b77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #7 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #8 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #9 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #10 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #11 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #12 0x56139c01be14 in dispatchMethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:473:16
    #13 0x56139c01aa98 in Rf_usemethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:523:9
    #14 0x56139c01d073 in do_usemethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:579:9
    #15 0x56139bf20f93 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8170:15
    #16 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #17 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #18 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #19 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #20 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #21 0x56139bf0dd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #22 0x56139bf6b653 in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3975:13
    #23 0x56139bf1b77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #24 0x56139bf0ed74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #25 0x56139bf0d301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #26 0x56139bf55a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #27 0x56139bf54c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #28 0x56139bf103be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #29 0x56139bf0dd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #30 0x56139bf66bc5 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:
  0x7e80b8d94180: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x7e80b8d94200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x7e80b8d94280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x7e80b8d94300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x7e80b8d94380: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x7e80b8d94400: fd fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd
  0x7e80b8d94480: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7e80b8d94500: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7e80b8d94580: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7e80b8d94600: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7e80b8d94680: 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
==631261==ABORTING