id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,lang,patch,platform
1560,r45619 (merge of stringnull branch) causes Rakudo failure in t/spec/S06-signature/introspection.t,moritz,,"A not yet triaged change in Parrot causes Rakudo to fail the last test in t/spec/S06-signature/introspection.t if built on top of parrot r45768, but works fine on r45386.

With a new parrot, the test dies with
{{{

Cannot substr on a null string
current instr.: 'perl6;Any;substr' pc 392639 (src/gen/core.pir:39216)
called from Sub 'perl6;Signature;_block22064' pc 490745 (src/gen/core.pir:74260)
called from Sub 'perl6;Signature;_block22012' pc 489600 (src/gen/core.pir:73755)
called from Sub 'perl6;Signature;_block21990' pc 489362 (src/gen/core.pir:0)
called from Sub 'perl6;GatherIterator;' pc 512916 (src/gen/core.pir:82140)
called from Sub 'perl6;GatherIterator;get' pc 512896 (src/gen/core.pir:82135)
called from Sub 'perl6;Iterator;eager' pc 10834 (src/builtins/Role.pir:143)
called from Sub 'perl6;Seq;!STORE' pc 14241 (src/builtins/Routine.pir:76)
called from Sub 'perl6;Signature;perl' pc 489127 (src/gen/core.pir:73565)
...
}}}",bug,closed,major,,none,2.2.0,medium,fixed,,,perl6,,linux