This test program fails with B::CC.

test6.pl

my $x; $x ||= 1;

print "x\n" if $x;

Expected output: $ perl test6.pl x

With B::CC the "||=" doesn't work. $ perlcc -O -o test6 test6.pl && ./test6

(nothing)

Used versions: - perl v5.10.1 (*) built for i486-linux-gnu-thread-mult (from Ubuntu 10.04) - B::C checked out today from repository.

Looking at the output of "perl -MO=Concise,-src test6.pl" we see

2: $x ||= 1;

6 <;> nextstate(main 2 test6.pl:2) v:{ ->7 - <1> null vK/1 ->b 8 <|> orassign(other->9) vK/1 ->b 7 <0> padsv[$x:1,2] sRM ->8 a <1> sassign sK/BKWARD,1 ->b 9 const[IV 1] s ->a There is an op "orassign" which seems to check the boolean value of the variable and then branches to one or the other basic block. B::CC currently handles "orassign" by "sub default_pp". But default_pp knows nothing about branching and hence always executes "op_next" but never "op_other". I think, all ops which do branching, can't be handled correctly by default_pp but should be implemented by separate functions.

Thanks. orassign, dorassign and andassign are relatively new and not yet added. This should be simple to fix.

This has been fixed by r605.

dorassign has still to be fixed. See issue 45.