From 7ad68231a4bba8bf1e925ab9091c748c31d3655d Mon Sep 17 00:00:00 2001
From: Andrew Noyes <anoyes34@gmail.com>
Date: Fri, 19 Jan 2024 17:33:30 -0800
Subject: [PATCH] Make sure index into hex array is positive

---
 ConflictSet.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 076ca89..6f9e210 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -729,7 +729,7 @@ void lastLeqMulti(Arena &arena, Node *root, std::span<Key> keys,
   for (auto iter = extrema(node, false); iter != nullptr;) {
     auto *next = ::next(iter, true);
     std::string key;
-    for (auto c : std::string_view((const char *)(iter + 1), iter->len)) {
+    for (uint8_t c : std::string_view((const char *)(iter + 1), iter->len)) {
       key += "x";
       key += "0123456789abcdef"[c / 16];
       key += "0123456789abcdef"[c % 16];
@@ -1200,7 +1200,7 @@ struct ReferenceImpl {
   void printLogical(std::string &result) {
     for (const auto &[k, v] : writeVersionMap) {
       std::string key;
-      for (auto c : k) {
+      for (uint8_t c : k) {
         key += "x";
         key += "0123456789abcdef"[c / 16];
         key += "0123456789abcdef"[c % 16];