From @finanalyst

IRC #perl6 April 18 circa 22.50

finanalyst​: alpha​: my @​a = 1,2,3,4; for @​a[ 1 .. *-1 ] { .say }
p6eval​: alpha 30e0ed​: OUTPUT«2␤3␤4␤»
finanalyst​: rakudo​: my @​a = 1,2,3,4; for @​a[ 1 .. *-1 ] { .say }
p6eval​: rakudo 842d2b​: ( no output )

From @bbkr

On Kiev build​:
$ perl6 -e 'my @​a = 1,2,3,4; for @​a[ 1 .. *-1 ] { .say }'
Method 'Num' not found for invocant of class 'Block'
  in 'Cool​::Numeric' at line 1550​:CORE.setting
  in 'Cool​::Numeric' at line 1551​:CORE.setting
  in 'infix​:<==>' at line 5814​:CORE.setting
  in 'Range​::!max_test' at line 4138​:CORE.setting
  in 'Range​::iterator' at line 4128​:CORE.setting
  in 'postcircumfix​:<[ ]>' at line 1
  in 'postcircumfix​:<[ ]>' at line 1014​:CORE.setting
  in main program body at line 1

The RT System itself - Status changed from 'new' to 'open'

From @moritz

Works now, and tests are in S02-builtin_data_types/whatever.t

@moritz - Status changed from 'open' to 'resolved'