text_combined: jerry hedden drbcqzxlcpanorg zefram wrote jerry hedden wrote conclusion warning use uninitialized value subroutine entry e line 1 criticizing use undef subroutine call yes generated erroneously error pass undef subroutine general error pass undef second argument universalisa okay thank putting digging testing determined correct namely warning use uninitialized value subroutine entry bug looking code universalisa xsxs_universal_isa dvar dxsargs perl_unused_argcv items 2 perl_croakathx_ usage universalisareference kind else sv const sv st0 const char name svgetmagicsv svoksv svroksv svpoksv svcursv svgmagicalsv svpokpsv svcursv xsreturn_undef name svpv_nolen_constst1 st0 boolsvsv_derived_fromsv name xsreturn1 determined line name svpv_nolen_constst1 source warning ya learn something new every day thu 07 aug 2008 145704 0500 perl 47233 core dump caused goto