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Fix segfault when calling nex_input() for deassign and release statements.

This commit is contained in:
Martin Whitaker 2020-02-09 18:40:03 +00:00
parent e5075c1340
commit 76a1aa6fa3
1 changed files with 3 additions and 2 deletions
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5
net_nex_input.cc
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2002-2016 Stephen Williams (steve@icarus.com)
* Copyright (c) 2002-2020 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@ -261,7 +261,8 @@ NexusSet* NetAssign_::nex_input(bool rem_out)
NexusSet* NetAssignBase::nex_input(bool rem_out)
{
NexusSet*result = rval_->nex_input(rem_out);
// For the deassign and release statements there is no R-value.
NexusSet*result = rval_ ? rval_->nex_input(rem_out) : new NexusSet;
/* It is possible that the lval_ can have nex_input values. In
particular, index expressions are statement inputs as well,