Have tell do a flush first.

Otherwise it can report the position incorrectly if we have got buffering enabled.
rakudo · Sep 4, 2017 · 138b6ce · 138b6ce
1 parent 75c9870
commit 138b6ce
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/core/IO/Handle.pm b/src/core/IO/Handle.pm
@@ -531,6 +531,7 @@ my class IO::Handle {
     }
 
     method tell(IO::Handle:D: --> Int:D) {
+        nqp::flushfh($!PIO);
         nqp::tellfh($!PIO) - ($!decoder ?? $!decoder.bytes-available !! 0)
     }