Querying virtual column FILE__POSITION for TEXT and JSON tables crashes Impala

select file__position from functional.alltypes;  => CRASH

select file__position from functional_json.alltypes; => CRASH

...
#6  <signal handler called>
#7  0x00000000031a671c in impala::ScannerContext::Stream::file_desc (this=0x0) at /home/boroknagyz/Impala/be/src/exec/scanner-context.h:157
#8  0x0000000003351630 in impala::HdfsJsonScanner::Close (this=0xea22d80, row_batch=0xed63a20) at /home/boroknagyz/Impala/be/src/exec/json/hdfs-json-scanner.cc:99
#9  0x00000000031c3eff in impala::HdfsScanner::Close (this=0xea22d80) at /home/boroknagyz/Impala/be/src/exec/hdfs-scanner.cc:176
#10 0x00000000032f057f in impala::HdfsScanNode::ProcessSplit (this=0x14eb9000, filter_ctxs=..., expr_results_pool=0x7fa54b5cf400, scan_range=0xf2bb680, scanner_thread_reservation=0x7fa54b5cf328)
    at /home/boroknagyz/Impala/be/src/exec/hdfs-scan-node.cc:500
#11 0x00000000032ef94c in impala::HdfsScanNode::ScannerThread (this=0x14eb9000, first_thread=true, scanner_thread_reservation=131072) at /home/boroknagyz/Impala/be/src/exec/hdfs-scan-node.cc:422