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Reading symbols from /usr/lib/R/bin/exec/R...
(No debugging symbols found in /usr/lib/R/bin/exec/R)
[?2004h(gdb) r
[?2004l
Starting program: /usr/lib/R/bin/exec/R 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/x86_64-linux-gnu/libthread_db.so.1".

R version 4.0.3 (2020-10-10) -- "Bunny-Wunnies Freak Out"
Copyright (C) 2020 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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[?2004hR> collapse::sumfsum()n)u)m)e)r)i)c)()0))
[?2004l
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff3c23c30 in fsumCpp(Rcpp::Vector<14, Rcpp::PreserveStorage> const&, int, Rcpp::Vector<13, Rcpp::PreserveStorage> const&, SEXPREC* const&, bool) ()
   from /home/erez/R/x86_64-pc-linux-gnu-library/4.0/collapse/libs/collapse.so
[?2004h[?2004l
[?2004h(gdb) bt
[?2004l
#0  0x00007ffff3c23c30 in fsumCpp(Rcpp::Vector<14, Rcpp::PreserveStorage> const&, int, Rcpp::Vector<13, Rcpp::PreserveStorage> const&, SEXPREC* const&, bool) ()
   from /home/erez/R/x86_64-pc-linux-gnu-library/4.0/collapse/libs/collapse.so
#1  0x00007ffff3b2c393 in _collapse_fsumCpp ()
   from /home/erez/R/x86_64-pc-linux-gnu-library/4.0/collapse/libs/collapse.so
#2  0x00007ffff7c157b8 in ?? () from /usr/lib/R/lib/libR.so
#3  0x00007ffff7c5567f in ?? () from /usr/lib/R/lib/libR.so
#4  0x00007ffff7c6b0e0 in Rf_eval () from /usr/lib/R/lib/libR.so
#5  0x00007ffff7c6cd7e in ?? () from /usr/lib/R/lib/libR.so
#6  0x00007ffff7c6dba2 in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#7  0x00007ffff7cb0511 in ?? () from /usr/lib/R/lib/libR.so
#8  0x00007ffff7cb08e7 in ?? () from /usr/lib/R/lib/libR.so
#9  0x00007ffff7cb0d13 in ?? () from /usr/lib/R/lib/libR.so
#10 0x00007ffff7c50708 in ?? () from /usr/lib/R/lib/libR.so
#11 0x00007ffff7c6b0e0 in Rf_eval () from /usr/lib/R/lib/libR.so
#12 0x00007ffff7c6cd7e in ?? () from /usr/lib/R/lib/libR.so
#13 0x00007ffff7c6dba2 in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#14 0x00007ffff7c6b30f in Rf_eval () from /usr/lib/R/lib/libR.so
#15 0x00007ffff7c9e5da in Rf_ReplIteration () from /usr/lib/R/lib/libR.so
#16 0x00007ffff7c9e950 in ?? () from /usr/lib/R/lib/libR.so
#17 0x00007ffff7c9ea08 in run_Rmainloop () from /usr/lib/R/lib/libR.so
#18 0x000055555555507b in main ()
#19 0x00007ffff797bd0a in __libc_start_main (main=0x555555555060 <main>, argc=1, 
    argv=0x7fffffffe538, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7fffffffe528) at ../csu/libc-start.c:308
#20 0x00005555555550ba in _start ()
[?2004h(gdb) c
[?2004l
Continuing.
[?2004hSelection: 1
[?2004l
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff3c23c30 in fsumCpp(Rcpp::Vector<14, Rcpp::PreserveStorage> const&, int, Rcpp::Vector<13, Rcpp::PreserveStorage> const&, SEXPREC* const&, bool) ()
   from /home/erez/R/x86_64-pc-linux-gnu-library/4.0/collapse/libs/collapse.so
[?2004h[?2004l
[?2004h(gdb) bt
[?2004l
#0  0x00007ffff3c23c30 in fsumCpp(Rcpp::Vector<14, Rcpp::PreserveStorage> const&, int, Rcpp::Vector<13, Rcpp::PreserveStorage> const&, SEXPREC* const&, bool) ()
   from /home/erez/R/x86_64-pc-linux-gnu-library/4.0/collapse/libs/collapse.so
#1  0x00007ffff3b2c393 in _collapse_fsumCpp ()
   from /home/erez/R/x86_64-pc-linux-gnu-library/4.0/collapse/libs/collapse.so
#2  0x00007ffff7c157b8 in ?? () from /usr/lib/R/lib/libR.so
#3  0x00007ffff7c5567f in ?? () from /usr/lib/R/lib/libR.so
#4  0x00007ffff7c6b0e0 in Rf_eval () from /usr/lib/R/lib/libR.so
#5  0x00007ffff7c6cd7e in ?? () from /usr/lib/R/lib/libR.so
#6  0x00007ffff7c6dba2 in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#7  0x00007ffff7cb0511 in ?? () from /usr/lib/R/lib/libR.so
#8  0x00007ffff7cb08e7 in ?? () from /usr/lib/R/lib/libR.so
#9  0x00007ffff7cb0d13 in ?? () from /usr/lib/R/lib/libR.so
#10 0x00007ffff7c50708 in ?? () from /usr/lib/R/lib/libR.so
#11 0x00007ffff7c6b0e0 in Rf_eval () from /usr/lib/R/lib/libR.so
#12 0x00007ffff7c6cd7e in ?? () from /usr/lib/R/lib/libR.so
#13 0x00007ffff7c6dba2 in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#14 0x00007ffff7c6b30f in Rf_eval () from /usr/lib/R/lib/libR.so
#15 0x00007ffff7c9e5da in Rf_ReplIteration () from /usr/lib/R/lib/libR.so
#16 0x00007ffff7c9e950 in ?? () from /usr/lib/R/lib/libR.so
#17 0x00007ffff7c9ea08 in run_Rmainloop () from /usr/lib/R/lib/libR.so
#18 0x000055555555507b in main ()
#19 0x00007ffff797bd0a in __libc_start_main (main=0x555555555060 <main>, argc=1, 
    argv=0x7fffffffe538, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7fffffffe528) at ../csu/libc-start.c:308
#20 0x00005555555550ba in _start ()
[?2004h(gdb) c
[?2004l
Continuing.

Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
[?2004h[?2004l
[?2004h(gdb) exit
[?2004l
[?2004h(gdb) quit
[?2004l