pos($x) not set during $x =~ s///ge

[p5pRT]

Migrated from rt.perl.org#874 (status was 'resolved')

Searchable as RT874$

[p5pRT]

From @mjdominus

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Use of uninitialized value at -e line 1.

Summary of my perl5 (5.0 patchlevel 5 subversion 2) configuration​:
  Platform​:
  osname=linux, osvers=2.0.35, archname=i586-linux
  uname='linux darkstar 2.0.35 #10 tue oct 13 18​:04​:13 cdt 1998 i586 unknown '
  hint=recommended, useposix=true, d_sigaction=define
  usethreads=undef useperlio=undef d_sfio=undef
  Compiler​:
  cc='cc', optimize='-O2', gccversion=2.7.2.3
  cppflags='-Dbool=char -DHAS_BOOL -I/usr/local/include'
  ccflags ='-Dbool=char -DHAS_BOOL -I/usr/local/include'
  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
  alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries​:
  ld='cc', ldflags =' -L/usr/local/lib'
  libpth=/usr/local/lib /shlib /lib /usr/lib
  libs=-lndbm -lgdbm -ldbm -ldb -ldl -lm -lc
  libc=/lib/libc.so.5.4.46, 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'

Characteristics of this binary (from libperl)​:
  Built under linux
  Compiled at Oct 18 1998 04​:26​:35
  @​INC​:
  /usr/lib/perl5/5.00502/i586-linux
  /usr/lib/perl5/5.00502
  /usr/lib/perl5/site_perl/5.005/i586-linux
  /usr/lib/perl5/site_perl/5.005
  .