esets the process's <TT
CLASS="LITERAL"
>SIGFPE</TT
> handler to
      <TT
CLASS="LITERAL"
>SIG_IGN</TT
>, which could result in crashes later on.  Restore
      the normal Postgres signal handler after initializing PL/Perl.
     </P
></LI
><LI
><P
>      Prevent PL/Perl from crashing if a recursive PL/Perl function is
      redefined while being executed (Tom Lane)
     </P
></LI
><LI
><P
>      Work around possible misoptimization in PL/Perl (Tom Lane)
     </P
><P
>      Some Linux distributions contain 