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Add code to prevent broken synthesis in devel. from core dumping. 

This patch adds code to prevent the broken synthesis code in
the development branch from core dumping. Broken code here
refers to the Icarus code not a Verilog file.
This commit is contained in:
Cary R 2008-04-01 20:44:58 -07:00 committed by Stephen Williams
parent bdc48135e5
commit 640231bbfa
1 changed files with 4 additions and 1 deletions
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5
syn-rules.y
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@ -1,7 +1,7 @@
%{
/*
* Copyright (c) 2000-2005 Stephen Williams (steve@icarus.com)
* Copyright (c) 2000-2007 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
@ -263,6 +263,9 @@ struct tokenize : public proc_match_t {
last_->next_ = cur;
last_ = cur;
/* Because synthesis is broken this is needed to prevent
* a seg. fault. */
if (!dev->if_clause()) return 0;
dev -> if_clause() -> match_proc(this);
if (dev->else_clause()) {