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regex: /\p / and /\p^/ give strange warnings #14938

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p5pRT opened this issue Sep 25, 2015 · 6 comments
Closed

regex: /\p / and /\p^/ give strange warnings #14938

p5pRT opened this issue Sep 25, 2015 · 6 comments
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distro-Linux type-core

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@p5pRT
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p5pRT commented Sep 25, 2015

Migrated from rt.perl.org#126187 (status was 'resolved')

Searchable as RT126187$
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p5pRT commented Sep 25, 2015

From victor@drawall.cc

Created by @Grimy

regex​: /\p / and /\p^/ give strange warnings

How to reproduce
----------------

perl5.23.4 -e '/\p^/'

Note​: /\P^/, /\p / and /\P / all yield the same results.

Expected behavior
-----------------

Perl should die with the following diagnostic​:

Can't find Unicode property definition "^" at -e line 1.

Actual behavior
---------------

Perl terminates normally, but prints the following warnings​:

Use of uninitialized value $table in concatenation (.) or string at /usr/local/lib/perl5/5.23.4/utf8_heavy.pl line 398.
Use of uninitialized value in transliteration (tr///) at /usr/local/lib/perl5/5.23.4/utf8_heavy.pl line 23.
Use of uninitialized value $loose in pattern match (m//) at /usr/local/lib/perl5/5.23.4/utf8_heavy.pl line 25.
Use of uninitialized value $table in concatenation (.) or string at /usr/local/lib/perl5/5.23.4/utf8_heavy.pl line 413.

Perl Info 

Flags:
    category=core
    severity=low

Site configuration information for perl 5.23.4:

Configured by grimy at Tue Sep 22 21:18:14 CEST 2015.

Summary of my perl5 (revision 5 version 23 subversion 4) configuration:
  Commit id: 2d9b5f101563ac9fee41e6ca496f79db6222d2e3
  Platform:
    osname=linux, osvers=4.0.7-2-arch, archname=x86_64-linux
    uname='linux localhost 4.0.7-2-arch #1 smp preempt tue jun 30
07:50:21 utc 2015 x86_64 gnulinux '
    config_args='-ds -e -Dusedevel'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=undef, usemultiplicity=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector-strong -I/usr/local/include'
    ccversion='', gccversion='5.1.0', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8,
byteorder=12345678, doublekind=3
    d_longlong=define, longlongsize=8, d_longdbl=define,
longdblsize=16, longdblkind=3
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -fstack-protector-strong -L/usr/local/lib'
    libpth=/usr/local/lib
/usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/include-fixed /usr/lib
/lib/../lib /usr/lib/../lib /lib /lib64 /usr/lib64
    libs=-lpthread -lnsl -lnm -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
-lgdbm_compat
    perllibs=-lpthread -lnsl -lnm -ldl -lm -lcrypt -lutil -lc
    libc=libc-2.21.so, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.21'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib
-fstack-protector-strong'



@INC for perl 5.23.4:
    /usr/local/lib/perl5/site_perl/5.23.4/x86_64-linux
    /usr/local/lib/perl5/site_perl/5.23.4
    /usr/local/lib/perl5/5.23.4/x86_64-linux
    /usr/local/lib/perl5/5.23.4
    /usr/local/lib/perl5/site_perl
    .


Environment for perl 5.23.4:
    HOME=/home/grimy
    LANG=en_US.UTF-8
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/grimy/bin:/home/grimy/.nvim/scripts:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/opt/plan9/bin
    PERL_BADLANG (unset)
    SHELL (unset)

@p5pRT
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p5pRT commented Oct 13, 2015

@khwilliamson - Status changed from 'new' to 'open'

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p5pRT commented Oct 13, 2015

From @khwilliamson

Thanks for your report. Fixed by 163a633
--
Karl Williamson

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p5pRT commented Oct 13, 2015

@khwilliamson - Status changed from 'open' to 'pending release'

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p5pRT commented May 13, 2016

From @khwilliamson

Thank you for submitting this report. You have helped make Perl better.
 
With the release of Perl 5.24.0 on May 9, 2016, this and 149 other issues have been resolved.

Perl 5.24.0 may be downloaded via https://metacpan.org/release/RJBS/perl-5.24.0

@p5pRT
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p5pRT commented May 13, 2016

@khwilliamson - Status changed from 'pending release' to 'resolved'

@p5pRT p5pRT closed this as completed May 13, 2016
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