It crashes R on my linux:
> regexpr("a{2-}", "")
R: tre-compile.c:1825: tre_ast_to_tnfa: Assertion `iter->max == -1 ||
iter->max == 1' failed.
Aborted
My setup is:
> sessionInfo()
R version 2.11.1 (2010-05-31)
i386-redhat-linux-gnu
locale:
[1] LC_CTYPE=en_NZ LC_NUMERIC=C LC_TIME=en_NZ
[4] LC_COLLATE=en_NZ LC_MONETARY=C LC_MESSAGES=en_NZ
[7] LC_PAPER=en_NZ LC_NAME=C LC_ADDRESS=C
[10] LC_TELEPHONE=C LC_MEASUREMENT=en_NZ LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] djsmisc_1.0-1
David Scott
On 23/09/10 04:37, Brian Diggs wrote:
[Accidentally posted this to r-help instead of r-devel; reposting to put
it into the correct list and thread. My apologies for the duplication.]
On 9/21/2010 8:04 PM, Henrik Bengtsson wrote:
Each of the following calls crash ("core dumps") R (R --vanilla) on
various versions and OSes:
regexpr("a{2-}", "")
sub("a{2-}", "")
gsub("a{2-}", "")
EXAMPLES:
To add another (windows) example it also crashes the 2.12.0 alpha build:
> sessionInfo()
R version 2.12.0 alpha (2010-09-20 r52948)
Platform: i386-pc-mingw32/i386 (32-bit)
...
> regexpr("a{2-}", "")
Assertion failed: iter->max == -1 || iter->max == 1, file tre-compile.c,
line 1825
This application has requested the Runtime to terminate it in an unusual
way.
Please contact the application's support team for more information.
sessionInfo()
R version 2.11.1 Patched (2010-09-16 r52949)
Platform: i386-pc-mingw32 (32-bit)
...
regexpr("a{2-}", "")
Assertion failed: iter->max == -1 || iter->max == 1, file
tre-compile.c, line 1825
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
sessionInfo()
R version 2.12.0 Under development (unstable) (2010-09-14 r52910)
Platform: i386-pc-mingw32/i386 (32-bit)
...
regexpr("a{2-}", "")
Assertion failed: iter->max == -1 || iter->max == 1, file
tre-compile.c, line 1825
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
sessionInfo()
R version 2.11.0 Patched (2010-05-09 r51960)
x86_64-unknown-linux-gnu
...
regexpr("a{2-}", "")
R: tre-compile.c:1825: tre_ast_to_tnfa: Assertion `iter->max == -1 ||
iter->max == 1' failed.
Aborted
/Henrik
--
_________________________________________________________________
David Scott Department of Statistics
The University of Auckland, PB 92019
Auckland 1142, NEW ZEALAND
Phone: +64 9 923 5055, or +64 9 373 7599 ext 85055
Email: d.sc...@auckland.ac.nz, Fax: +64 9 373 7018
Director of Consulting, Department of Statistics
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