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[perl #98174] [PATCH] Fix overloaded <> when the peephole optimiser is disabled.

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From:
Gerard Goossen
Date:
August 31, 2011 06:26
Subject:
[perl #98174] [PATCH] Fix overloaded <> when the peephole optimiser is disabled.
Message ID:
rt-3.6.HEAD-31297-1314797158-1188.98174-75-0@perl.org
# New Ticket Created by  Gerard Goossen 
# Please include the string:  [perl #98174]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=98174 >



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 a8d296ff662dd76673529c754f414b1cf2d02195 Mon Sep 17 00:00:00 2001
From: Gerard Goossen <gerard@ggoossen.net>
Date: Sat, 27 Aug 2011 17:08:07 +0200
Subject: [PATCH] Fix overloaded <> when the peephole optimiser is disabled.

---
 pp.h |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/pp.h b/pp.h
index 5cde92b..0ba877f 100644
--- a/pp.h
+++ b/pp.h
@@ -448,8 +448,12 @@ Does not use C<TARG>.  See also C<XPUSHu>, C<mPUSHu> and C<PUSHu>.
 	    SETTARG;						\
 	    PUTBACK;						\
 	    if (jump) {						\
+	        OP *jump_o = NORMAL->op_next;                   \
+		while (jump_o->op_type == OP_NULL)		\
+		    jump_o = jump_o->op_next;			\
+		assert(jump_o->op_type == OP_ENTERSUB);		\
 		PL_markstack_ptr--;				\
-		return NORMAL->op_next->op_next;		\
+		return jump_o->op_next;				\
 	    }							\
 	    return NORMAL;					\
 	}							\
-- 
1.7.5.4

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

Configured by gerard at Wed Aug 31 14:20:48 CEST 2011.

Summary of my perl5 (revision 5 version 15 subversion 2) configuration:
  Derived from: 7d036ef69177645e70ab468041f5df517c15d4b3
  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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