From 99f1c71582bce51aab25b3a50b15eec002545ef4 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Tue, 9 Aug 2022 12:45:32 +0200
Subject: properly encode string in rtlil

---
 backends/rtlil/rtlil_backend.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backends/rtlil/rtlil_backend.cc b/backends/rtlil/rtlil_backend.cc
index 1b11de5ec..b5163aefe 100644
--- a/backends/rtlil/rtlil_backend.cc
+++ b/backends/rtlil/rtlil_backend.cc
@@ -75,7 +75,7 @@ void RTLIL_BACKEND::dump_const(std::ostream &f, const RTLIL::Const &data, int wi
 			else if (str[i] == '\t')
 				f << stringf("\\t");
 			else if (str[i] < 32)
-				f << stringf("\\%03o", str[i]);
+				f << stringf("\\%03o", (unsigned char)str[i]);
 			else if (str[i] == '"')
 				f << stringf("\\\"");
 			else if (str[i] == '\\')
-- 
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