From 1654b8f9e0f9c6260ec73bd1f8076287464a7ee9 Mon Sep 17 00:00:00 2001
From: t895 <clombardo169@gmail.com>
Date: Tue, 21 Nov 2023 15:14:41 -0500
Subject: [PATCH] frontend_common: Set config array size to 0 if the array is
 ended without changing its index

---
 src/frontend_common/config.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/frontend_common/config.cpp b/src/frontend_common/config.cpp
index cf149ec26d..40a44ae12f 100644
--- a/src/frontend_common/config.cpp
+++ b/src/frontend_common/config.cpp
@@ -937,15 +937,19 @@ void Config::EndArray() {
     // You can't end a config array before starting one
     ASSERT(!array_stack.empty());
 
+    // Set the array size to 0 if the array is ended without changing the index
+    int size = 0;
+    if (array_stack.back().index != 0) {
+        size = array_stack.back().size;
+    }
+
     // Write out the size to config
     if (key_stack.size() == 1 && array_stack.back().name.empty()) {
         // Edge-case where the first array created doesn't have a name
-        config->SetValue(GetSection().c_str(), std::string("size").c_str(),
-                         ToString(array_stack.back().size).c_str());
+        config->SetValue(GetSection().c_str(), std::string("size").c_str(), ToString(size).c_str());
     } else {
         const auto key = GetFullKey(std::string("size"), true);
-        config->SetValue(GetSection().c_str(), key.c_str(),
-                         ToString(array_stack.back().size).c_str());
+        config->SetValue(GetSection().c_str(), key.c_str(), ToString(size).c_str());
     }
 
     array_stack.pop_back();