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Id: 72939
Status: new
Priority: 0/
Queue: Devel-DProf

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Owner: Nobody in particular
Requestors: perlbug-followup [...] perl.org
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CC: bug-Devel-DProf [...] rt.cpan.org, perl5-porters [...] perl.org
Subject: [perl #8535] DProf interferes with @_ manipulation
Date: Sun, 04 Dec 2011 10:55:16 -0800
To: "OtherRecipients of perl Ticket #8535":;
From: "Father Chrysostomos via RT" <perlbug-followup [...] perl.org>
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Forwarding to the CPAN queue.... On Thu Feb 14 10:01:13 2002, tim@srl.caltech.edu wrote: Show quoted text
> This is a bug report for perl from tim@ipac.caltech.edu, > generated with the help of perlbug 1.28 running under perl v5.6.0. > > > ----------------------------------------------------------------- > [Please enter your report here] > > Subroutines meant to massage a callers @_ are prevented from doing so > when instrumented with DProf. Thus: > > % perl -le 'sub foo { shift; } sub bar { &foo; print "@_" } bar(1,2);' > 2 > % perl -d:DProf -le 'sub foo { shift; } sub bar { &foo; print "@_" } > bar(1,2);' > 1 2 > > Runs normally under the debugger: > > % perl -dle 'sub foo { shift; } sub bar { &foo; print "@_" } > bar(1,2);' > [blah blah blah] > DB<1> r > 2 > > (Suggestions for a workaround would be welcome since I'd dearly love > to profile a program that does lots of this sort of thing.) > > [Please do not change anything below this line] > ----------------------------------------------------------------- > --- > Flags: > category=library > severity=low > --- > Site configuration information for perl v5.6.0: > > Configured by tim at Tue Nov 14 20:32:05 PST 2000. > > Summary of my perl5 (revision 5.0 version 6 subversion 0) > configuration: > Platform: > osname=linux, osvers=2.2.16-22, archname=i686-linux > uname='linux spindrift 2.2.16-22enterprise #1 smp tue aug 22 > 16:29:32 edt 2000 i686 unknown ' > config_args='' > hint=previous, useposix=true, d_sigaction=define > usethreads=undef use5005threads=undef useithreads=undef > usemultiplicity=undef > useperlio=undef d_sfio=undef uselargefiles=define > use64bitint=undef use64bitall=undef uselongdouble=undef > usesocks=undef > Compiler: > cc='gcc', optimize='-O2 -g', gccversion=2.96 20000731 (Red Hat > Linux 7.0) > cppflags='-DDEBUGGING -fno-strict-aliasing -I/usr/local/include > -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64' > ccflags ='-DDEBUGGING -fno-strict-aliasing -I/usr/local/include > -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64' > stdchar='char', d_stdstdio=define, usevfork=false > intsize=4, longsize=4, ptrsize=4, doublesize=8 > 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, usemymalloc=n, prototype=define > Linker and Libraries: > ld='gcc', ldflags ='-L/usr/local/lib -L/usr/lib -L/lib' > libpth=/usr/local/lib /lib /usr/lib > libs=-lnsl -lgdbm -ldl -lm -lc -lcrypt > libc=/lib/libc-2.1.92.so, so=so, useshrplib=false, > libperl=libperl.a > Dynamic Linking: > dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='- > rdynamic' > cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib -L/usr/lib > -L/lib' > > Locally applied patches: > > > --- > @INC for perl v5.6.0: > /home/galex/lib/perl/5.6.0/i686-linux > /home/galex/lib/perl/5.6.0 > /home/galex/lib/perl/i686-linux > /home/galex/lib/perl > /usr/local/lib/perl5/5.6.0/i686-linux > /usr/local/lib/perl5/5.6.0 > /usr/local/lib/perl5/site_perl/5.6.0/i686-linux > /usr/local/lib/perl5/site_perl/5.6.0 > /usr/local/lib/perl5/site_perl > /home/galex/lib/perl/i686-linux > /home/galex/lib/perl > /home/galex/lib/perl > . > > --- > Environment for perl v5.6.0: > HOME=/users/tim > LANG=en_US > LANGUAGE (unset) > LD_LIBRARY_PATH=/home/galex/lib:/usr/local/lib > LOGDIR (unset) >
PATH=/usr/local/bin:/usr/sbin:/sbin:/bin:/usr/bin:/users/tim/bin:/home/galex/bin:/usr/X11R6/bin Show quoted text
> PERL5LIB=/home/galex/lib/perl > PERLDOC_PAGER=less -+C > PERL_BADLANG (unset) > PERL_INLINE_BLIB=/home/galex/lib/perl/blib_I > SHELL=/bin/tcsh >
-- Father Chrysostomos


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