iverilog build in Nix standard repos has a bug #707
esophagus-now
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(Apologies for duplicate post; I'm not used to github and someone told me to post a discussion instead of a comment)
Original comment from this commit: 580170d
I am using iverilog in repl.it (via Nix). I don't know much about where this distribution of iverilog comes from (or who maintains it) but maybe this is a clue?
I ran into a segfault with a cbAfterDelay callback, and after single-stepping the asm in the debugger I found a mysterious call to
__dynamic_cast
that wasn't in thev11_branch
. Luckily, clicking on the history for this file turns up this fix, so I'm guessing my installation was made before this fix.As a workaround I just put a dummy vpiHandle and it fixed the problem. Here is the particular code I am using:
You can see the whole project here
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