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require(vCONST) broken #14608

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p5pRT opened this issue Mar 20, 2015 · 6 comments
Closed

require(vCONST) broken #14608

p5pRT opened this issue Mar 20, 2015 · 6 comments
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distro-Linux type-core

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@p5pRT
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p5pRT commented Mar 20, 2015

Migrated from rt.perl.org#124135 (status was 'resolved')

Searchable as RT124135$
@p5pRT
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p5pRT commented Mar 20, 2015

From zefram@fysh.org

Created by zefram@fysh.org

$ perl5.21.4 -E 'require(v5.6.0); say "OK"'
Can't locate in @​INC (@​INC contains​: /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/site_perl/5.21.4/x86_64-linux-thread-multi /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/site_perl/5.21.4 /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/5.21.4/x86_64-linux-thread-multi /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/5.21.4 .) at -e line 1.
$ perl5.21.3 -E 'require(v5.6.0); say "OK"'
OK

Still broken in 5.21.10. Also affects 'require(5.6.0)'.
Doesn't affect '$a=v5.6.0; require($a)'. I suspect commit
ed6f447.

Perl Info 

Flags:
    category=core
    severity=low

Site configuration information for perl 5.21.4:

Configured by zefram at Fri Mar 20 21:01:29 GMT 2015.

Summary of my perl5 (revision 5 version 21 subversion 4) configuration:
   
  Platform:
    osname=linux, osvers=3.2.0-4-amd64, archname=x86_64-linux-thread-multi
    uname='linux barba.rous.org 3.2.0-4-amd64 #1 smp debian 3.2.65-1+deb7u1 x86_64 gnulinux '
    config_args='-des -Dprefix=/home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52 -Duselargefiles -Dusethreads -Uafs -Ud_csh -Uusesfio -Uusenm -Duseshrplib -Dusedevel -Uversiononly -Ui_db'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2',
    optimize='-O2',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.7.2', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    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 -L/usr/local/lib'
    libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/4.7/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
    libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lpthread -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=libc-2.19.so, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.19'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/5.21.4/x86_64-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector'



@INC for perl 5.21.4:
    /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/site_perl/5.21.4/x86_64-linux-thread-multi
    /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/site_perl/5.21.4
    /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/5.21.4/x86_64-linux-thread-multi
    /home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/lib/5.21.4
    .


Environment for perl 5.21.4:
    HOME=/home/zefram
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/zefram/usr/perl/perl_install/perl-5.21.4-i64-f52/bin:/home/zefram/usr/perl/util:/home/zefram/pub/x86_64-unknown-linux-gnu/bin:/home/zefram/pub/common/bin:/usr/bin:/bin:/usr/local/bin:/usr/games
    PERL_BADLANG (unset)
    SHELL=/usr/bin/zsh

@p5pRT
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p5pRT commented Mar 20, 2015

From @wolfsage

On Fri, Mar 20, 2015 at 5​:48 PM, Zefram <perlbug-followup@​perl.org> wrote​:

Still broken in 5.21.10. Also affects 'require(5.6.0)'.
Doesn't affect '$a=v5.6.0; require($a)'. I suspect commit
ed6f447.

A bisect lead me to this commit as well.

-- Matthew Horsfall (alh)

@p5pRT
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p5pRT commented Mar 20, 2015

The RT System itself - Status changed from 'new' to 'open'

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p5pRT commented Mar 20, 2015

From @jkeenan

On Fri Mar 20 14​:55​:12 2015, alh wrote​:

On Fri, Mar 20, 2015 at 5​:48 PM, Zefram <perlbug-followup@​perl.org> wrote​:

Still broken in 5.21.10. Also affects 'require(5.6.0)'.
Doesn't affect '$a=v5.6.0; require($a)'. I suspect commit
ed6f447.

A bisect lead me to this commit as well.

-- Matthew Horsfall (alh)

Grrrr. That commit changed behavior in a fundamental file (op.c) but did not include a test.

--
James E Keenan (jkeenan@​cpan.org)

@p5pRT
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p5pRT commented Mar 27, 2015

From @cpansprout

On Fri Mar 20 16​:26​:51 2015, jkeenan wrote​:

On Fri Mar 20 14​:55​:12 2015, alh wrote​:

On Fri, Mar 20, 2015 at 5​:48 PM, Zefram <perlbug-followup@​perl.org>
wrote​:

Still broken in 5.21.10. Also affects 'require(5.6.0)'.
Doesn't affect '$a=v5.6.0; require($a)'. I suspect commit
ed6f447.

A bisect lead me to this commit as well.

-- Matthew Horsfall (alh)

Grrrr. That commit changed behavior in a fundamental file (op.c) but
did not include a test.

It was not supposed to change the behaviour at all, but simply speed things up.

In any case, it is now fixed in 2b79cfe.

--

Father Chrysostomos

@p5pRT p5pRT closed this as completed Mar 27, 2015
@p5pRT
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p5pRT commented Mar 27, 2015

@cpansprout - Status changed from 'open' to 'resolved'

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