or download this
perl512.dll!Perl_sv_kill_backrefs(interpreter * my_perl=0x003542a
+4, sv * const sv=0x01903c54, av * const av=0x0182b694) Line 5433
+C
perl512.dll!Perl_magic_killbackrefs(interpreter * my_perl=0x00354
+2a4, sv * sv=0x01903c54, magic * mg=0x01822664) Line 2211 + 0x14
+C
...
perl.exe!main(int argc=2, char * * argv=0x00242478, char * * env=
+0x00242dd0) Line 23 + 0x12 C
perl.exe!mainCRTStartup() Line 398 + 0xe C
kernel32.dll!_BaseProcessStart@4() + 0x23