From 651585963a4ab7ed96bc509376fe940970b0f188 Mon Sep 17 00:00:00 2001
From: lizzie <lizzie@eden-emu.dev>
Date: Mon, 19 Jan 2026 22:19:34 +0100
Subject: [PATCH] [core] Fix range batching using nil ranges (#3349)

this fixes mario rabbids flickering at start

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3349
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
---
 src/core/device_memory_manager.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/device_memory_manager.inc b/src/core/device_memory_manager.inc
index 4e029d8596..4be26d9631 100644
--- a/src/core/device_memory_manager.inc
+++ b/src/core/device_memory_manager.inc
@@ -602,7 +602,7 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedBatch(std::span<const std::pa
         return;
     }
     // Make a local copy and sort by address
-    std::vector<std::pair<DAddr, size_t>> tmp(ranges.size(), {0, 0});
+    std::vector<std::pair<DAddr, size_t>> tmp(ranges.begin(), ranges.end());
     std::sort(tmp.begin(), tmp.end(), [](const auto& a, const auto& b) { return a.first < b.first; });
 
     // Coalesce adjacent/overlapping ranges