[perl #77646] [BUG] executing the same eval twice without an enclosing block

[via RT]

# New Ticket Created by  Nuno Carvalho 
# Please include the string:  [perl #77646]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=77646 >


IRC log:

11:07 < smash> rakudo: eval "say 1" for 1..4;
11:07 <+p6eval> rakudo 27d54d: OUTPUT«1␤Null PMC in copy␤  in 'eval'
at line 1117:CORE.setting␤  in main program body at line
22:/tmp/kyKDs6lmfi␤»
11:08 < smash> !?
11:11 < moritz_> rakudo: eval 'say 1' for 1..2
11:11 <+p6eval> rakudo 27d54d: OUTPUT«1␤Null PMC in copy␤  in 'eval'
at line 1117:CORE.setting␤  in main program body at line
22:/tmp/v6wffwm3tF␤»
11:11 < moritz_> rakudo: eval 'say 1'; eval 'say 1'
11:11 -!- HarryS [...@harry.lu] has joined #perl6
11:11 <+p6eval> rakudo 27d54d: OUTPUT«1␤1␤»
11:11 < moritz_> rakudo: sub e { eval 'say 1' }; e() for 1..2
11:11 <+p6eval> rakudo 27d54d: OUTPUT«1␤1␤»
11:12 < moritz_> rakudo: for 1..2 { eval 'say 1' }
11:12 <+p6eval> rakudo 27d54d: OUTPUT«1␤1␤»
11:12 < moritz_> this is most interesting
11:12 < moritz_> rakudo: eval '' for 1..2
11:12 <+p6eval> rakudo 27d54d: OUTPUT«Null PMC in copy␤  in 'eval' at
line 1117:CORE.setting␤  in main program body at line
22:/tmp/Lspsx0wm8T␤»
11:13 < moritz_> executing the same eval twice without an enclosing
block triggers this error

smash