[bug #57741] Strange begin drop again ;

[Julián Albo]

URL:
  <https://savannah.gnu.org/bugs/?57741>

                 Summary: Strange begin drop again ; 
                 Project: Gforth
            Submitted by: notfound
            Submitted on: mar 04 feb 2020 16:25:17 UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

I was trying to generate a stack underflow exception for some testing of
CATCH, and found this:

: a begin drop again ;
' a catch .

Does not return to interactive mode, looks like it's trapped in an infinite
loop.

But this

: a begin 1 drop drop again ;
' a catch .

Prints -4 as expected.

Using gforth 0.7.3 from the Debian 10 ia64 package.





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