From fcda1128bc5f8eb7e1811708fe9d9867b9aec815 Mon Sep 17 00:00:00 2001
From: "k.h.lai" <adrian.k.h.lai@outlook.com>
Date: Wed, 22 May 2024 20:53:21 +0800
Subject: [PATCH] vulkan: add workaround for iterator boundary check to fix
 clang-cl debug build (#7426)

---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9cc60039a..c09d834fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -505,6 +505,12 @@ if (LLAMA_VULKAN)
 
         add_compile_definitions(GGML_USE_VULKAN)
 
+        # Workaround to the "can't dereference invalidated vector iterator" bug in clang-cl debug build
+        # Posssibly relevant: https://stackoverflow.com/questions/74748276/visual-studio-no-displays-the-correct-length-of-stdvector
+        if (MSVC AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+            add_compile_definitions(_ITERATOR_DEBUG_LEVEL=0)
+        endif()
+
         if (LLAMA_VULKAN_CHECK_RESULTS)
             add_compile_definitions(GGML_VULKAN_CHECK_RESULTS)
         endif()