Bizarre copy of ARRAY in leave .. under debug

[p5pRT]

Migrated from rt.perl.org#860 (status was 'resolved')

Searchable as RT860$

[p5pRT]

From mjtg@cus.cam.ac.uk

  $a = \ do { @​a }

produces

  Bizarre copy of ARRAY in leave at ...

but only when run under the debugger. It fails in both 5.004_05 and
5.005_03, but not under 5.005_57.

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)​:
  Built under sunos
  Compiled at Mar 30 1999 14​:45​:10
  @​INC​:
  /home/mjtg/perl5.005_03/lib
  /home/mjtg/perl5.005_03/lib
  /home/mjtg/perl5.005_03/lib
  .