[Bug-apl] Assertion failed when specifying empty array as array index

[Elias Mårtenson]

To reproduce, run the following:

(2 2⍴⍳4)[1;⍬]

This will result in this error:

Assertion failed: mult.done()

in Function:      index

in file:          Value.cc:971

Call stack:

----------------------------------------

-- Stack trace at Value.cc:971

----------------------------------------

0x7f2a75155de5 __libc_start_main

0x4adba6  main

0x53e0b6   Workspace::immediate_execution(bool)

0x48dcac    Command::process_line()

0x48ea0b     Command::process_line(UCS_string&)

0x49e2b0      Executable::execute_body() const

0x5051a4       StateIndicator::run()

0x4bbd78        Prefix::reduce_statements()

0x4bc978         Prefix::reduce_A_C__()

0x53783a          Value::index(Token&) const

0x5373f6           Value::index(IndexExpr const&) const

0x4780aa            do_Assert(char const*, char const*, char const*, int)

========================================

SI stack:

Depth:    0

Exec:     0x1c8a4f0

Pmode:    ◊  (2 2⍴⍳4)[1;⍬]

PC:       11 ENDL

Stat:     (2 2⍴⍳4)[1;⍬]

err_code: 0x0

thrown:   at StateIndicator.cc:39

e_msg_1:  'No Error'

e_msg_2:  ''

e_msg_3:  ''

Regards,
Elias