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[ID 20000218.001] foreach spuriously autovivifies

From:
M.J.T. Guy
Date:
February 18, 2000 02:57
Subject:
[ID 20000218.001] foreach spuriously autovivifies
Message ID:
E12Ll6d-0000MM-00@ursa.cus.cam.ac.uk
Just to get this into the bug database, rather than in any expectation
of action:

           foreach (@h{a, b}) { }

autovivifies $h{a} and $h{b}.

Yes, I understand why it happens.


Mike Guy

% perl -V
Summary of my perl5 (5.0 patchlevel 5 subversion 3) configuration:
  Platform:
    osname=sunos, osvers=4.1.3, archname=sun4-sunos
    uname=''
    hint=previous, useposix=true, d_sigaction=define
    usethreads=undef useperlio=undef d_sfio=undef
  Compiler:
    cc='gcc', optimize='-O', gccversion=2.7.2.3
    cppflags='-I/usr/local/include -DREG_INFTY=22790'
    ccflags ='-I/usr/local/include -DREG_INFTY=22790'
    stdchar='unsigned char', d_stdstdio=define, usevfork=true
    intsize=4, longsize=4, ptrsize=4, doublesize=8
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=8
    alignbytes=8, usemymalloc=y, prototype=define
  Linker and Libraries:
    ld='ld', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib /usr/ucblib
    libs=-ldbm -ldl -lm -lc -lposix
    libc=/lib/libc.so.1.8, so=so, useshrplib=false, libperl=libperl.a
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags=' '
    cccdlflags='-fpic', lddlflags='-assert nodefinitions -L/usr/local/lib'


Characteristics of this binary (from libperl): 
  Locally applied patches:
  	pos.list
  	IO.file.return
  	int.delimiter
  	bigfloat
  Built under sunos
  Compiled at Jul  7 1999 16:09:54
  @INC:
    /home/mjtg/perl5.005_03/lib
    /home/mjtg/perl5.005_03/lib
    /home/mjtg/perl5.005_03/lib
    .



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