text_combined: sébastien aperghistramoni mcttbjmtsfreefr jerry hedden wrote bug also evoked following attached usrbinperl use strict use warnings sub isa goto universalisa isa undef 5100 produces use uninitialized value goto goto_bug2pl line 11 commenting use warnings suppresses warning changing undef foo also eliminates warning warning also happens previous versions perl new case probably normal usrlocalperl588binperl wmstrict e sub isa goto universalisa isa undef use uninitialized value goto e line 1 usrlocalperl562binperl wmstrict e sub isa goto universalisa isa undef use uninitialized value goto e line 1 usrlocalperl545binperl wmstrict e sub isa goto universalisa isa undef use uninitialized value e line 1 sébastien aperghistramoni close world txen eht nepo thu 07 aug 2008 182021 0100 perl 47233 core dump caused goto