R Under development (unstable) (2026-08-08 r90381) -- "Unsuffered Consequences"
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> library(testthat)
> library(IntegMultiReg)
> 
> test_check("IntegMultiReg")
main_function_final.c:537:29: runtime error: variable length array bound evaluates to non-positive value 0
    #0 0x7fb3a5162269 in main_function /data/localhost/ripley/R/packages/tests-clang-UBSAN/IntegMultiReg/src/main_function_final.c:537:13
    #1 0x564688590e5b in R_doDotCall (/data/localhost/ripley/R/R-clang/bin/exec/R+0x90e5b)
    #2 0x56468859174d in do_dotcall (/data/localhost/ripley/R/R-clang/bin/exec/R+0x9174d)
    #3 0x5646885c93d6 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc93d6)
    #4 0x5646885e7897 in do_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7897)
    #5 0x5646885d01b3 in bcEval_loop eval.c
    #6 0x5646885c984b in bcEval eval.c
    #7 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #8 0x5646885c9aa3 in forcePromise eval.c
    #9 0x5646885c8fe5 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc8fe5)
    #10 0x5646885d01b3 in bcEval_loop eval.c
    #11 0x5646885c984b in bcEval eval.c
    #12 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #13 0x5646885c9aa3 in forcePromise eval.c
    #14 0x5646885c90cd in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc90cd)
    #15 0x5646885e7d76 in do_withVisible (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7d76)
    #16 0x56468862b777 in do_internal (/data/localhost/ripley/R/R-clang/bin/exec/R+0x12b777)
    #17 0x5646885d0415 in bcEval_loop eval.c
    #18 0x5646885c984b in bcEval eval.c
    #19 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #20 0x5646885e10c8 in R_execClosure eval.c
    #21 0x5646885e05ba in applyClosure_core eval.c
    #22 0x5646885c9f26 in Rf_applyClosure (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9f26)
    #23 0x5646885c9457 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9457)
    #24 0x5646885e6427 in do_set (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe6427)
    #25 0x5646885c922f in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc922f)
    #26 0x5646885e571a in do_begin (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe571a)
    #27 0x5646885c922f in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc922f)
    #28 0x5646885e7897 in do_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7897)
    #29 0x5646885d01b3 in bcEval_loop eval.c
    #30 0x5646885c984b in bcEval eval.c
    #31 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #32 0x5646885e10c8 in R_execClosure eval.c
    #33 0x5646885e05ba in applyClosure_core eval.c
    #34 0x5646885c9f26 in Rf_applyClosure (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9f26)
    #35 0x5646885c9457 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9457)
    #36 0x5646885e7c77 in do_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7c77)
    #37 0x5646885d01b3 in bcEval_loop eval.c
    #38 0x5646885c984b in bcEval eval.c
    #39 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #40 0x5646885e10c8 in R_execClosure eval.c
    #41 0x5646885e05ba in applyClosure_core eval.c
    #42 0x5646885e3a68 in R_forceAndCall (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe3a68)
    #43 0x5646885159db in do_lapply (/data/localhost/ripley/R/R-clang/bin/exec/R+0x159db)
    #44 0x56468862b777 in do_internal (/data/localhost/ripley/R/R-clang/bin/exec/R+0x12b777)
    #45 0x5646885d0415 in bcEval_loop eval.c
    #46 0x5646885c984b in bcEval eval.c
    #47 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #48 0x5646885e10c8 in R_execClosure eval.c
    #49 0x5646885e05ba in applyClosure_core eval.c
    #50 0x5646885c9f26 in Rf_applyClosure (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9f26)
    #51 0x5646885c9457 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9457)
    #52 0x5646886166e7 in Rf_ReplIteration (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1166e7)
    #53 0x5646886181ee in run_Rmainloop (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1181ee)
    #54 0x56468861825a in Rf_mainloop (/data/localhost/ripley/R/R-clang/bin/exec/R+0x11825a)
    #55 0x564688501db7 in main (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1db7)
    #56 0x7fb3aca0a680 in __libc_start_call_main (/lib64/libc.so.6+0x3680) (BuildId: 5bd941be836f538fe5e10eff508f7f5dd94905a6)
    #57 0x7fb3aca0a797 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x3797) (BuildId: 5bd941be836f538fe5e10eff508f7f5dd94905a6)
    #58 0x564688501cd4 in _start (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1cd4)

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior main_function_final.c:537:29 
utils.c:584:62: runtime error: variable length array bound evaluates to non-positive value 0
    #0 0x7fb3a51619c4 in main_function /data/localhost/ripley/R/packages/tests-clang-UBSAN/IntegMultiReg/src/main_function_final.c:538:13
    #1 0x564688590e5b in R_doDotCall (/data/localhost/ripley/R/R-clang/bin/exec/R+0x90e5b)
    #2 0x56468859174d in do_dotcall (/data/localhost/ripley/R/R-clang/bin/exec/R+0x9174d)
    #3 0x5646885c93d6 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc93d6)
    #4 0x5646885e7897 in do_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7897)
    #5 0x5646885d01b3 in bcEval_loop eval.c
    #6 0x5646885c984b in bcEval eval.c
    #7 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #8 0x5646885c9aa3 in forcePromise eval.c
    #9 0x5646885c8fe5 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc8fe5)
    #10 0x5646885d01b3 in bcEval_loop eval.c
    #11 0x5646885c984b in bcEval eval.c
    #12 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #13 0x5646885c9aa3 in forcePromise eval.c
    #14 0x5646885c90cd in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc90cd)
    #15 0x5646885e7d76 in do_withVisible (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7d76)
    #16 0x56468862b777 in do_internal (/data/localhost/ripley/R/R-clang/bin/exec/R+0x12b777)
    #17 0x5646885d0415 in bcEval_loop eval.c
    #18 0x5646885c984b in bcEval eval.c
    #19 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #20 0x5646885e10c8 in R_execClosure eval.c
    #21 0x5646885e05ba in applyClosure_core eval.c
    #22 0x5646885c9f26 in Rf_applyClosure (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9f26)
    #23 0x5646885c9457 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9457)
    #24 0x5646885e6427 in do_set (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe6427)
    #25 0x5646885c922f in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc922f)
    #26 0x5646885e571a in do_begin (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe571a)
    #27 0x5646885c922f in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc922f)
    #28 0x5646885e7897 in do_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7897)
    #29 0x5646885d01b3 in bcEval_loop eval.c
    #30 0x5646885c984b in bcEval eval.c
    #31 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #32 0x5646885e10c8 in R_execClosure eval.c
    #33 0x5646885e05ba in applyClosure_core eval.c
    #34 0x5646885c9f26 in Rf_applyClosure (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9f26)
    #35 0x5646885c9457 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9457)
    #36 0x5646885e7c77 in do_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe7c77)
    #37 0x5646885d01b3 in bcEval_loop eval.c
    #38 0x5646885c984b in bcEval eval.c
    #39 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #40 0x5646885e10c8 in R_execClosure eval.c
    #41 0x5646885e05ba in applyClosure_core eval.c
    #42 0x5646885e3a68 in R_forceAndCall (/data/localhost/ripley/R/R-clang/bin/exec/R+0xe3a68)
    #43 0x5646885159db in do_lapply (/data/localhost/ripley/R/R-clang/bin/exec/R+0x159db)
    #44 0x56468862b777 in do_internal (/data/localhost/ripley/R/R-clang/bin/exec/R+0x12b777)
    #45 0x5646885d0415 in bcEval_loop eval.c
    #46 0x5646885c984b in bcEval eval.c
    #47 0x5646885c9004 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9004)
    #48 0x5646885e10c8 in R_execClosure eval.c
    #49 0x5646885e05ba in applyClosure_core eval.c
    #50 0x5646885c9f26 in Rf_applyClosure (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9f26)
    #51 0x5646885c9457 in Rf_eval (/data/localhost/ripley/R/R-clang/bin/exec/R+0xc9457)
    #52 0x5646886166e7 in Rf_ReplIteration (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1166e7)
    #53 0x5646886181ee in run_Rmainloop (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1181ee)
    #54 0x56468861825a in Rf_mainloop (/data/localhost/ripley/R/R-clang/bin/exec/R+0x11825a)
    #55 0x564688501db7 in main (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1db7)
    #56 0x7fb3aca0a680 in __libc_start_call_main (/lib64/libc.so.6+0x3680) (BuildId: 5bd941be836f538fe5e10eff508f7f5dd94905a6)
    #57 0x7fb3aca0a797 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x3797) (BuildId: 5bd941be836f538fe5e10eff508f7f5dd94905a6)
    #58 0x564688501cd4 in _start (/data/localhost/ripley/R/R-clang/bin/exec/R+0x1cd4)

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior utils.c:584:62 
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 217 ]
> 
> proc.time()
   user  system elapsed 
 10.275   0.212  12.217