From @dwarring

3 more elements. Show/hide.
19​:01 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643208> dwarring p6​:
"tst.txt".IO.spurt([] 'a' .. 'z'); my $ioh = "tst.txt".IO.open(​:r); say
$ioh.read(4); $ioh.seek(1, SeekFromCurrent); say $ioh.read(4);
19​:01 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643209> camelia
rakudo-moar
95b4e5​: OUTPUT​: «Blob[uint8]​:0x<61 62 63 64>␤Blob[uint8]​:0x<>␤»
19​:02 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643214> dwarring bisect​:
"tst.txt".IO.spurt([] 'a' .. 'z'); my $ioh = "tst.txt".IO.open(​:r); say
$ioh.read(4); $ioh.seek(1, SeekFromCurrent); say $ioh.read(4);
19​:02 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643215>
bisectable6 dwarring,
Bisecting by output (old=2015.12 new=95b4e5d) because on both starting
points the exit code is 0
19​:06 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643238>
MasterDuke AlexDaniel​:
^^^
19​:08 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643242> dwarring anyway,
nothing returned from second read after seekFromCurrent
19​:08 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643243> Recent
regression. I'll put in an RT

From @AlexDaniel

  Bisectable failed in the provided log, here is the right result​:

 
  <bisectable6> AlexDaniel, Bisecting by output (old=2015.12 new=95b4e5d) because on both starting points the exit code is 0
  <bisectable6> AlexDaniel, bisect log​: https://gist.github.com/1b6f1bdabefa1cb13338451abceea153
  <bisectable6> AlexDaniel, (2017-05-25) rakudo/rakudo@93f4645
 
  On 2017-05-26 12​:14​:13, david.warring wrote​:
  > 3 more elements. Show/hide.
  > 19​:01 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643208>
  > dwarring p6​:
  > "tst.txt".IO.spurt([] 'a' .. 'z'); my $ioh = "tst.txt".IO.open(​:r);
  > say
  > $ioh.read(4); $ioh.seek(1, SeekFromCurrent); say $ioh.read(4);
  > 19​:01 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643209> camelia
  > rakudo-moar
  > 95b4e5​: OUTPUT​: «Blob[uint8]​:0x<61 62 63 64>␤Blob[uint8]​:0x<>␤»
  > 19​:02 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643214>
  > dwarring bisect​:
  > "tst.txt".IO.spurt([] 'a' .. 'z'); my $ioh = "tst.txt".IO.open(​:r);
  > say
  > $ioh.read(4); $ioh.seek(1, SeekFromCurrent); say $ioh.read(4);
  > 19​:02 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643215>
  > bisectable6 dwarring,
  > Bisecting by output (old=2015.12 new=95b4e5d) because on both starting
  > points the exit code is 0
  > 19​:06 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643238>
  > MasterDuke AlexDaniel​:
  > ^^^
  > 19​:08 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643242>
  > dwarring anyway,
  > nothing returned from second read after seekFromCurrent
  > 19​:08 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643243> Recent
  > regression. I'll put in an RT
 
 
   

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

From @zoffixznet

On Fri, 26 May 2017 12​:14​:13 -0700, david.warring wrote​:

3 more elements. Show/hide.
19​:01 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643208>
dwarring p6​:
"tst.txt".IO.spurt([] 'a' .. 'z'); my $ioh = "tst.txt".IO.open(​:r);
say
$ioh.read(4); $ioh.seek(1, SeekFromCurrent); say $ioh.read(4);
19​:01 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643209> camelia
rakudo-moar
95b4e5​: OUTPUT​: «Blob[uint8]​:0x<61 62 63 64>␤Blob[uint8]​:0x<>␤»
19​:02 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643214>
dwarring bisect​:
"tst.txt".IO.spurt([] 'a' .. 'z'); my $ioh = "tst.txt".IO.open(​:r);
say
$ioh.read(4); $ioh.seek(1, SeekFromCurrent); say $ioh.read(4);
19​:02 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643215>
bisectable6 dwarring,
Bisecting by output (old=2015.12 new=95b4e5d) because on both starting
points the exit code is 0
19​:06 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643238>
MasterDuke AlexDaniel​:
^^^
19​:08 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643242>
dwarring anyway,
nothing returned from second read after seekFromCurrent
19​:08 <https://irclog.perlgeek.de/perl6/2017-05-26#i_14643243> Recent
regression. I'll put in an RT

Thank you for the report. This is now fixed.

Fix​: rakudo/rakudo@094e77a2c2
Tests​: Raku/roast@2804acdc43

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