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[perl #98182] [PATCH] Reassign op_private flags of OP_ENTERSUB such that bits 32 and 64 can be used by OPpDEREF

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From:
Gerard Goossen
Date:
August 31, 2011 10:53
Subject:
[perl #98182] [PATCH] Reassign op_private flags of OP_ENTERSUB such that bits 32 and 64 can be used by OPpDEREF
Message ID:
rt-3.6.HEAD-31297-1314813166-71.98182-75-0@perl.org
# New Ticket Created by  Gerard Goossen 
# Please include the string:  [perl #98182]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=98182 >



This is a bug report for perl from gerard@ggoossen.net,
generated with the help of perlbug 1.39 running under perl 5.15.2.

>From 1e9abfa7b76b2ece144fdd15200579359ab2e441 Mon Sep 17 00:00:00 2001
From: Gerard Goossen <gerard@ggoossen.net>
Date: Wed, 31 Aug 2011 15:30:00 +0200
Subject: [PATCH] Reassign op_private flags of OP_ENTERSUB such that bits 32
 and 64 can be used by OPpDEREF

---
 ext/B/B/Concise.pm |    2 +-
 op.h               |    6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/ext/B/B/Concise.pm b/ext/B/B/Concise.pm
index 45e7ba9..0551667 100644
--- a/ext/B/B/Concise.pm
+++ b/ext/B/B/Concise.pm
@@ -613,7 +613,7 @@ $priv{$_}{4} = "DREFed" for (qw(rv2sv rv2av rv2hv));
   for (qw(rv2gv rv2sv padsv aelem helem));
 $priv{$_}{16} = "STATE" for ("padav", "padhv", "padsv");
 $priv{rv2gv}{4} = "NOINIT";
-@{$priv{"entersub"}}{1,4,16,32,64} = qw( DREF INARGS DBG TARG );
+@{$priv{"entersub"}}{1,4,16,32,64} = qw( INARGS TARG DBG DEREF );
 @{$priv{rv2cv}}{1,8,128} = ("CONST","AMPER","NO()");
 $priv{"gv"}{32} = "EARLYCV";
 $priv{"aelem"}{16} = $priv{"helem"}{16} = "LVDEFER";
diff --git a/op.h b/op.h
index f23ff2d..70b6358 100644
--- a/op.h
+++ b/op.h
@@ -204,9 +204,9 @@ Deprecated.  Use C<GIMME_V> instead.
 
   /* OP_ENTERSUB only */
 #define OPpENTERSUB_DB		16	/* Debug subroutine. */
-#define OPpENTERSUB_HASTARG	32	/* Called from OP tree. */
-#define OPpENTERSUB_INARGS	4	/* Lval used as arg to a sub. */
-#define OPpENTERSUB_DEREF	1	/* Lval call that autovivifies. */
+#define OPpENTERSUB_HASTARG	4	/* Called from OP tree. */
+#define OPpENTERSUB_INARGS	1	/* Lval used as arg to a sub. */
+#define OPpENTERSUB_DEREF	32	/* Lval call that autovivifies. */
 /* used by HINT_STRICT_SUBS     2          */
   /* Mask for OP_ENTERSUB flags, the absence of which must be propagated
      in dynamic context */
-- 
1.7.5.4

---
Flags:
    category=core
    severity=low
---
Site configuration information for perl 5.15.2:

Configured by gerard at Wed Aug 31 16:05:28 CEST 2011.

Summary of my perl5 (revision 5 version 15 subversion 2) configuration:
  Derived from: 01d5c162aa4c4b026e65e57d933dcebbe4c706a9
  Platform:
    osname=linux, osvers=3.0.0-1-686-pae, archname=i686-linux-thread-multi
    uname='linux zeus 3.0.0-1-686-pae #1 smp sun jul 24 14:27:32 utc 2011 i686 gnulinux '
    config_args='-des -Dusethreads -Dnoextensions= -Doptimize=-O3 -g3 -DDEBUGGING -Dusedevel -Dprefix=/home/gerard/perl/inst/blead-codegen'
    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 -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O3 -g3',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.6.1', 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 =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib /usr/lib/i386-linux-gnu /usr/lib64
    libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lpthread -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lpthread -lc
    libc=, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.13'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O3 -g3 -L/usr/local/lib -fstack-protector'

Locally applied patches:
    

---
@INC for perl 5.15.2:
    lib
    /home/gerard/perl/inst/blead-codegen/lib/site_perl/5.15.2/i686-linux-thread-multi
    /home/gerard/perl/inst/blead-codegen/lib/site_perl/5.15.2
    /home/gerard/perl/inst/blead-codegen/lib/5.15.2/i686-linux-thread-multi
    /home/gerard/perl/inst/blead-codegen/lib/5.15.2
    /home/gerard/perl/inst/blead-codegen/lib/site_perl
    .

---
Environment for perl 5.15.2:
    HOME=/home/gerard
    LANG=en_US.UTF-8
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/gerard/bin:/usr/local/bin:/usr/bin:/bin:/usr/games
    PERL_BADLANG (unset)
    SHELL=/bin/bash


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