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[perl #22073] B::Deparse and scoping
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From:
Juerd
Date:
May 1, 2003 05:52
Subject:
[perl #22073] B::Deparse and scoping
Message ID:
rt-22073-56297.9.21801765895864@bugs6.perl.org
# New Ticket Created by Juerd
# Please include the string: [perl #22073]
# in the subject line of all future correspondence about this issue.
# <URL: http://rt.perl.org/rt2/Ticket/Display.html?id=22073 >
This is a bug report for perl from juerd@cpan.org,
generated with the help of perlbug 1.34 running under perl v5.8.0.
-----------------------------------------------------------------
[Please enter your report here]
2;0 juerd@ouranos:~$ perl -le'for(my $i = 5;0;1) { } print $i'
2;0 juerd@ouranos:~$ perl -MO=Deparse -le'for(my $i = 5;0;1) { } print $i' | perl
-e syntax OK
5
Deparse simplifies the loop, but gets scoping wrong when it does that:
2;0 juerd@ouranos:~$ perl -MO=Deparse -le'for(my $i = 5;0;1) { } print $i'
BEGIN { $/ = "\n"; $\ = "\n"; }
my $i = 5;
print $i;
-e syntax OK
[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
category=library
severity=medium
---
Site configuration information for perl v5.8.0:
Configured by root at Mon Mar 24 20:36:06 CET 2003.
Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
Platform:
osname=linux, osvers=2.4.19-gentoo-r10, archname=i686-linux
uname='linux ouranos 2.4.19-gentoo-r10 #3 sun jan 5 22:38:08 cet 2003 i686 amd athlon(tm) processor authenticamd gnulinux '
config_args='-des -Darchname=i686-linux -Dcc=gcc -Dprefix=/usr -Dvendorprefix=/usr -Dsiteprefix=/usr -Dlocincpth= -Doptimize=-O2 -march=athlon-tbird -pipe -fomit-frame-pointer -Duselargefiles -Dd_dosuid -Dd_semctl_semun -Dscriptdir=/usr/bin -Dman3ext=3pm -Dcf_by=Gentoo -Ud_csh -Di_gdbm -Di_db -Di_ndbm'
hint=recommended, useposix=true, d_sigaction=define
usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef
useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
use64bitint=undef use64bitall=undef uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='gcc', ccflags ='-DPERL5 -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
optimize='-O2 -march=athlon-tbird -pipe -fomit-frame-pointer ',
cppflags='-DPERL5 -DPERL5 -fno-strict-aliasing'
ccversion='', gccversion='3.2.2', gccosandvers=''
intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
alignbytes=4, prototype=define
Linker and Libraries:
ld='gcc', ldflags =' -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib
libs=-lpthread -lnsl -lndbm -lgdbm -ldb -ldl -lm -lc -lcrypt -lutil
perllibs=-lpthread -lnsl -ldl -lm -lc -lcrypt -lutil
libc=/lib/libc-2.3.1.so, so=so, useshrplib=false, libperl=libperl.a
gnulibc_version='2.3.1'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic'
cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'
Locally applied patches:
---
@INC for perl v5.8.0:
/usr/lib/perl5/5.8.0/i686-linux
/usr/lib/perl5/5.8.0
/usr/lib/perl5/site_perl/5.8.0/i686-linux
/usr/lib/perl5/site_perl/5.8.0
/usr/lib/perl5/site_perl/5.6.1
/usr/lib/perl5/site_perl
/usr/lib/perl5/vendor_perl/5.8.0/i686-linux
/usr/lib/perl5/vendor_perl/5.8.0
/usr/lib/perl5/vendor_perl
.
---
Environment for perl v5.8.0:
HOME=/home/juerd
LANG (unset)
LANGUAGE (unset)
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/bin:/usr/bin:/bin:/usr/bin:/bin:/usr/bin:/usr/local/bin:/opt/bin:/usr/i686-pc-linux-gnu/gcc-bin/3.2:/usr/X11R6/bin:/opt/blackdown-jdk-1.3.1/bin:/opt/blackdown-jdk-1.3.1/jre/bin:/usr/qt/3/bin:/usr/kde/3.1/bin:/usr/games/bin:/opt/vmware/bin:/var/qmail/bin
PERL_BADLANG (unset)
SHELL=/bin/bash
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[perl #22073] B::Deparse and scoping
by Juerd