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Id: 80632
Status: resolved
Worked: 5 min
Priority: 0/
Queue: perl5

Owner: Nobody
Requestors: sprout <sprout [at]>

Operating System: darwin
PatchStatus: (no value)
Severity: medium
Type: library
Perl Version: 5.8.4
Fixed In: (no value)


Subject: B::Concise and -tree produces mangled output
Date: Sun, 12 Dec 2010 12:29:32 -0800
To: perlbug [...]
From: Father Chrysostomos <sprout [...]>
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Some time between 5.8.3 and 5.8.4, the -tree output format started getting extra line breaks. I suppose if one squints hard enough it might still look like a tree. Pint:perl.git-copy sprout$ perl5.8.3 -MO=Concise,-tree -e '{ print;} '<9>leave[1 ref]-+-<1>enter |-<2>nextstate(main 2 -e:1) `-<8>leaveloop-+-<3>enterloop(next->8 last->8 redo->4) `-lineseq-+-<4>nextstate(main 1 -e:1) `-<7>print-+-<5>pushmark `-ex-rv2sv---<6>gvsv(*_) -e syntax OK Pint:perl.git-copy sprout$ perl5.8.4 -MO=Concise,-tree -e '{ print;} ' <9>leave[1 ref] -+-<1>enter |-<2>nextstate(main 2 -e:1) `-<8>leaveloop -+-<3>enterloop(next->8 last->8 redo->4) `-lineseq -+-<4>nextstate(main 1 -e:1) `-<7>print -+-<5>pushmark `-ex-rv2sv ---<6>gvsv(*_) -e syntax OK --- Flags: category=library severity=medium --- This perlbug was built using Perl 5.10.1 - Thu Sep 24 18:07:44 PDT 2009 It is being executed now by Perl 5.8.4 - Thu Jun 12 14:05:58 PDT 2008. Site configuration information for perl 5.8.4: Configured by sprout at Thu Jun 12 14:05:58 PDT 2008. Summary of my perl5 (revision 5 version 8 subversion 4) configuration: Platform: osname=darwin, osvers=9.3.0, archname=darwin-2level uname='darwin pint.local 9.3.0 darwin kernel version 9.3.0: fri may 23 00:49:16 pdt 2008; root:xnu-1228.5.18~1release_i386 i386 ' config_args='-de' 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='cc', ccflags ='-pipe -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -I/usr/local/include', optimize='-O3', cppflags='-no-cpp-precomp -pipe -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -I/usr/local/include' ccversion='', gccversion='4.0.1 (Apple Inc. build 5465)', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='env MACOSX_DEPLOYMENT_TARGET=10.3 cc', ldflags =' -L/usr/local/lib' libpth=/usr/local/lib /usr/lib libs=-ldbm -ldl -lm -lutil -lc perllibs=-ldl -lm -lutil -lc libc=/usr/lib/libc.dylib, so=dylib, useshrplib=false, libperl=libperl.a gnulibc_version='' Dynamic Linking: dlsrc=dl_dyld.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' ' cccdlflags=' ', lddlflags=' -bundle -undefined dynamic_lookup -L/usr/local/lib' Locally applied patches: --- @INC for perl 5.8.4: /usr/local/lib/perl5/5.8.4/darwin-2level /usr/local/lib/perl5/5.8.4 /usr/local/lib/perl5/site_perl/5.8.4/darwin-2level /usr/local/lib/perl5/site_perl/5.8.4 /usr/local/lib/perl5/site_perl/5.8.3/darwin-2level /usr/local/lib/perl5/site_perl/5.8.3 /usr/local/lib/perl5/site_perl/5.8.1/darwin-2level /usr/local/lib/perl5/site_perl/5.8.1 /usr/local/lib/perl5/site_perl/5.10.0 /usr/local/lib/perl5/site_perl . --- Environment for perl 5.8.4: DYLD_LIBRARY_PATH (unset) HOME=/Users/sprout LANG=en_US.UTF-8 LANGUAGE (unset) LD_LIBRARY_PATH (unset) LOGDIR (unset) PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/usr/local/bin PERL_BADLANG (unset) SHELL=/bin/bash
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Attached patch fixes -MO=Concise,-tree for blead. Same fix should be applied back also. -- Reini Urban
From fa71a7ff0911f9ed3c094ba836e136ecea077484 Mon Sep 17 00:00:00 2001 From: Reini Urban <> Date: Mon, 13 Dec 2010 20:06:33 +0100 Subject: [PATCH] Fix [perl #80632] -MO=Concise,-tree format Some time between 5.8.3 and 5.8.4, the -tree output format started getting extra line breaks. --- ext/B/B/ | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/ext/B/B/ b/ext/B/B/ index 6d06956..fbc02ad 100644 --- a/ext/B/B/ +++ b/ext/B/B/ @@ -586,7 +586,7 @@ sub fmt_line { # generate text-line for op. $text = "# $hr->{src}\n$text" if $show_src and $hr->{src}; chomp $text; - return "$text\n" if $text ne ""; + return "$text\n" if $text ne "" and $order ne "tree"; return $text; # suppress empty lines } --
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On Mon Dec 13 11:10:48 2010, rurban wrote: Show quoted text
> Attached patch fixes -MO=Concise,-tree for blead.
Thank you. Applied as efef081e.

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