Syntax check of the program (perl 5.16.3 64-bit (threaded or otherwise) & Tk 804.031 on CentOS 6 64-bit) causes core dump (but not when it is just run as in perl file) ... 

  use Tk;
  #  Remove "BEGIN" and get no core dump.
  BEGIN
  { our $MW = MainWindow->new(); }

  __END__

  test-tk.pl syntax OK
  . (1):
  0 0x2ba31f0   NV f=00000002 undef(1)
  SV = IV(0x2ba31e0) at 0x2ba31f0
    REFCNT = 1
    FLAGS = ()
    IV = 0

[download]

There is no problem with combinations of ...

... FWIW. Has anybody else seen the problem?

In reply to perl 5.16.3 + Tk 804.031 core dumps on syntax check when a window is made in BEGIN block by Anonymous Monk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.