[Bug-apl] Segmentation violation in PointerCell:release()

[Elias Mårtenson]

Assume the following two function definitions:

∇R←avg L

R←(+/L)÷⍴L

∇

∇R←x foo y

R←avg 10?100

∇

Now, running the following command will cause a crash:

avg foo\⍳1000

The following error is shown:

SEGMENTATION FAULT

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

-- Stack trace at main.cc:110

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

0x7f4f67c06bc5 __libc_start_main

0x4308f5  main

0x5043fd   Workspace::immediate_execution(bool)

0x45868d    Command::process_line()

0x4573b6     Command::process_line(UCS_string&)

0x461105      Executable::execute_body() const

0x4c8cd0       StateIndicator::run()

0x4822f1        Prefix::reduce_statements()

0x480bcb         Prefix::reduce_RETC___()

0x4f3837          UserFunction::pop_local_vars() const

0x4d49b5           Symbol::pop(bool)

0x4f9939            Value::~Value()

0x4f98c9             Value::~Value()

0x48366b              PointerCell::release(char const*)

0x7f4f69b3e870               

0x46e35a                

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

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

Goodbye.

Process apl exited abnormally with code 3

Regards,

Elias