I was testing Kacpers solution to my problem in another thread, and I got a crash. Easily reproduced by typing in the following two commands:
==============================================================================
Assertion failed: 0
in Function: init
in file: Cell.cc:48
Call stack:
----------------------------------------
-- Stack trace at Cell.cc:48
----------------------------------------
0x7f1b6ee6dde5 __libc_start_main
0x434b6d main
0x52059d Workspace::immediate_execution(bool)
0x46291d Command::process_line()
0x46181b Command::process_line(UCS_string&)
0x46a7e8 Executable::execute_body() const
0x4df3a0 StateIndicator::run()
0x48c98a Prefix::reduce_statements()
0x4899db Prefix::reduce_A_ASS_B_()
0x518e5d Value::assign_cellrefs(Value_P)
0x459e01 Cell::init(Cell const&)
0x44328f do_Assert(char const*, char const*, char const*, int)
========================================
SI stack:
Depth: 0
Exec: 0x213e3f0
Pmode: ◊ (V/V)←∊≠\¨V⊂V
PC: 13 ENDL
Stat: (V/V)←∊≠\¨V⊂V
err_code: 0x0
thrown: at StateIndicator.cc:40
e_msg_1: 'No Error'
e_msg_2: ''
e_msg_3: ''
==============================================================================