[ID 20001029.003] '&' prototype permits any non-single refgen

This is a bug report for perl from dan@www.brumleve.com,
generated with the help of perlbug 1.28 running under perl v5.6.0.


-----------------------------------------------------------------

# This happens in 5.7.0 as well...

twumtwum$ perl -de0
# ...
  DB<1> sub foo(&) { @_ }

  DB<2> x foo(\(1,2))
0  SCALAR(0x82448b4)
   -> 1
1  SCALAR(0x82448c0)
   -> 2

-----------------------------------------------------------------
---
Flags:
    category=core
    severity=low
---
Site configuration information for perl v5.6.0:

Configured by dan at Sun Apr  9 19:33:10 CDT 2000.

Summary of my perl5 (revision 5.0 version 6 subversion 0) configuration:
  Platform:
    osname=linux, osvers=2.2.13, archname=i686-linux-thread-multi
    uname='linux www 2.2.13 #1 smp thu nov 11 05:30:30 cst 1999 i686 unknown '
    config_args='-Dusethreads'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
    useperlio=undef d_sfio=undef uselargefiles=define 
    use64bitint=undef use64bitall=undef uselongdouble=undef usesocks=undef
  Compiler:
    cc='cc', optimize='-O2', gccversion=2.7.2.3
    cppflags='-D_REENTRANT -I/usr/local/include'
    ccflags ='-D_REENTRANT -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=4
    alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lndbm -lgdbm -ldbm -ldb -ldl -lm -lpthread -lc
    libc=/lib/libc-2.0.7.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'

Locally applied patches:
    

---
@INC for perl v5.6.0:
    /usr/lib/perl5/5.6.0/i686-linux-thread-multi
    /usr/lib/perl5/5.6.0
    /usr/lib/perl5/site_perl/5.6.0/i686-linux-thread-multi
    /usr/lib/perl5/site_perl/5.6.0
    /usr/lib/perl5/site_perl
    .

---
Environment for perl v5.6.0:
    HOME=/home/dan
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/bin:/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/scripts:/usr/local/bin:/home/users/sub/nothing/bin:.
    PERL_BADLANG (unset)
    SHELL=/bin/tcsh

• [ID 20001029.003] '&' prototype permits any non-single refgen by Dan Brumleve
• [perl #4539] '&' prototype permits any non-single refgen by Father Chrysostomos via RT