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[perl #62522] warnings::register regressions introduced in 5.10
# New Ticket Created by Peter Rabbitson
# Please include the string: [perl #62522]
# in the subject line of all future correspondence about this issue.
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=62522 >
This is a bug report for perl from rabbit@rabbit.us,
generated with the help of perlbug 1.36 running under perl 5.10.0.
-----------------------------------------------------------------
[Please enter your report here]
After upgrading to 5.10 warnings::register related warning suppression
does not work as expected in all cases (i.e. as it did in 5.8). Please
find a complete and well documented 16 point test suite attached to this
message (or at http://rabbit.us/diff/5.10_lexwarn_register.tar.bz2)
It passes under 5.8 but breaks in 4 places under 5.10:
Failures 5 & 6
=================
Let's have Module S which inherits from module C.
In module C we have:
use warnings::register;
....
sub work {
...
warnings::warnif ('stuff happened');
...
}
in module S we have:
sub start_work {
...
no warnings 'C';
C->work;
}
Now if a user invokes S->start_work under 5.8 there will be no warning
as expected. Not so under 5.10
Failure 12
==============
Same as above, but class S is generated on the fly via a string eval
(eval '...');
Failure 15
==================
Same as 12, but instead of no warnings 'C', even an unqualified
no warnings doesn't work
[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
category=library
severity=medium
---
Site configuration information for perl 5.10.0:
Configured by Debian Project at Thu Jan 1 12:43:38 UTC 2009.
Summary of my perl5 (revision 5 version 10 subversion 0) configuration:
Platform:
osname=linux, osvers=2.6.26-1-686, archname=i486-linux-gnu-thread-multi
uname='linux rebekka 2.6.26-1-686 #1 smp mon dec 15 18:15:07 utc
2008 i686 gnulinux '
config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN
-Dcccdlflags=-fPIC -Darchname=i486-linux-gnu -Dprefix=/usr
-Dprivlib=/usr/share/perl/5.10 -Darchlib=/usr/lib/perl/5.10
-Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5
-Dvendorarch=/usr/lib/perl5 -Dsiteprefix=/usr/local
-Dsitelib=/usr/local/share/perl/5.10.0
-Dsitearch=/usr/local/lib/perl/5.10.0 -Dman1dir=/usr/share/man/man1
-Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1
-Dsiteman3dir=/usr/local/man/man3 -Dman1ext=1 -Dman3ext=3perl
-Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Ud_ualarm -Uusesfio
-Uusenm -DDEBUGGING=-g -Doptimize=-O2 -Duseshrplib
-Dlibperl=libperl.so.5.10.0 -Dd_dosuid -des'
hint=recommended, useposix=true, d_sigaction=define
useithreads=define, usemultiplicity=define
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
use64bitint=undef, use64bitall=undef, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN
-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64',
optimize='-O2 -g',
cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing
-pipe -I/usr/local/include'
ccversion='', gccversion='4.3.2', 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='cc', ldflags =' -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib /usr/lib64
libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
perllibs=-ldl -lm -lpthread -lc -lcrypt
libc=/lib/libc-2.7.so, so=so, useshrplib=true, libperl=libperl.so.5.10.0
gnulibc_version='2.7'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
cccdlflags='-fPIC', lddlflags='-shared -O2 -g -L/usr/local/lib'
Locally applied patches:
---
@INC for perl 5.10.0:
/home/rabbit/devel/utils/perl
/etc/perl
/usr/local/lib/perl/5.10.0
/usr/local/share/perl/5.10.0
/usr/lib/perl5
/usr/share/perl5
/usr/lib/perl/5.10
/usr/share/perl/5.10
/usr/local/lib/site_perl
.
---
Environment for perl 5.10.0:
HOME=/home/rabbit
LANG=en_US.UTF-8
LANGUAGE (unset)
LC_ADDRESS=en_US.UTF-8
LC_COLLATE=en_US.UTF-8
LC_CTYPE=en_US.UTF-8
LC_IDENTIFICATION=en_US.UTF-8
LC_MESSAGES=en_US.UTF-8
LC_MONETARY=en_US.UTF-8
LC_NAME=en_US.UTF-8
LC_NUMERIC=en_US.UTF-8
LC_TELEPHONE=en_US.UTF-8
LC_TIME=en_US.UTF-8
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/home/rabbit/devel/utils:/home/rabbit/bin:/usr/local/bin:/usr/bin:/bin:/usr/games
PERL5LIB=/home/rabbit/devel/utils/perl
PERL_BADLANG (unset)
SHELL=/bin/bash
5.10_lexwarn_register.tar.bz2
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