From a3b715b963235fb0f034fe14241089eae0641dec Mon Sep 17 00:00:00 2001
From: Jerry James <loganjerry@gmail.com>
Date: Thu, 23 Jan 2020 14:27:59 -0700
Subject: [PATCH] Fix EOF detection when char is unsigned.

---
 src/parsers/util/scanner.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/parsers/util/scanner.cpp b/src/parsers/util/scanner.cpp
index 926085a78..29d837794 100644
--- a/src/parsers/util/scanner.cpp
+++ b/src/parsers/util/scanner.cpp
@@ -480,7 +480,7 @@ scanner::token scanner::scan() {
             return read_number(ch, true);
         case '#':
             return read_bv_literal();
-        case -1:
+        case static_cast<char>(-1):
             m_state = EOF_TOKEN;
             break;
         default: