From ee65dea738fefbf44b91a2ac10f9a93b35115af6 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Mon, 28 Jul 2014 10:10:08 +0200
Subject: [PATCH] Fixed signdness detection of expressions with bit- and
 part-selects

---
 frontends/ast/genrtlil.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc
index 064aec93f..95e15903b 100644
--- a/frontends/ast/genrtlil.cc
+++ b/frontends/ast/genrtlil.cc
@@ -599,6 +599,7 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *foun
 				delete right_at_zero_ast;
 			} else
 				this_width = range->range_left - range->range_right + 1;
+			sign_hint = false;
 		} else
 			width_hint = std::max(width_hint, this_width);
 		if (!id_ast->is_signed)
-- 
2.30.2