Re: [Iverilog-devel] iverilog crash during vvp

[Martin W. <ic...@ma...>]

Don Haire wrote:
> Test program "test5.v" crashes in "vvp".  Probably from something that I 
> have done, but I have no idea how to debug it.  These are the console 
> messages:
> 
>     $ iverilog -g2005-sv -o compileout test5.v
> 
>     $ vvp compileout -fst
> 
>     unresolved vpi name lookup: v0x9f1ee80_0
>     unresolved vpi name lookup: v0x9f1ebc0_0
>     compile_cleanup: 2 unresolved items
>     vpi error: bad global property: 1
>     vvp: vpi_priv.cc:281: int vpip_get_global(int): Assertion `0' failed.
>     Aborted (core dumped)
> 
> The program is attached.

The fault is triggered by casting a string to a vector and assigning it to 
an array word. You should be able to work round this bug by assigning the 
cast value to a temporary varaible and then assigning the temporary 
variable to the array word.