From 579b2612b1567f98de7e68f3cdcab3e12c0834b3 Mon Sep 17 00:00:00 2001
From: Jeroen van Rijn <Kelimion@users.noreply.github.com>
Date: Sun, 1 Mar 2026 14:54:26 +0100
Subject: [PATCH] Fix #6347

---
 src/llvm_backend.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/llvm_backend.hpp b/src/llvm_backend.hpp
index a8076d75e..0f199907d 100644
--- a/src/llvm_backend.hpp
+++ b/src/llvm_backend.hpp
@@ -620,7 +620,12 @@ gb_internal LLVMValueRef lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef p
 gb_internal LLVMValueRef lb_mem_zero_ptr_internal(lbProcedure *p, LLVMValueRef ptr, usize len, unsigned alignment, bool is_volatile);
 
 gb_internal gb_inline i64 lb_max_zero_init_size(void) {
-	return cast(i64)(8);
+	if (build_context.metrics.os == TargetOs_darwin && build_context.metrics.arch == TargetArch_arm64) {
+		// https://github.com/odin-lang/Odin/issues/6347
+		return cast(i64)(4*build_context.int_size);
+	} else {
+		return cast(i64)(8);
+	}
 }
 
 gb_internal LLVMTypeRef OdinLLVMGetArrayElementType(LLVMTypeRef type);