From 231ce2da59cd93b4e8d8a90daca2d2111fc3ecf8 Mon Sep 17 00:00:00 2001
From: Jon Lipstate <jon@lipstate.com>
Date: Fri, 29 Aug 2025 12:41:38 -0700
Subject: windows i386 support

---
 base/runtime/core_builtin.odin | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'base/runtime/core_builtin.odin')

diff --git a/base/runtime/core_builtin.odin b/base/runtime/core_builtin.odin
index 3a51d71fb..33b600c3e 100644
--- a/base/runtime/core_builtin.odin
+++ b/base/runtime/core_builtin.odin
@@ -54,7 +54,12 @@ container_of :: #force_inline proc "contextless" (ptr: $P/^$Field_Type, $T: type
 
 
 when !NO_DEFAULT_TEMP_ALLOCATOR {
-	@thread_local global_default_temp_allocator_data: Default_Temp_Allocator
+	when ODIN_ARCH == .i386 && ODIN_OS == .Windows {
+		// Thread-local storage is problematic on Windows i386
+		global_default_temp_allocator_data: Default_Temp_Allocator
+	} else {
+		@thread_local global_default_temp_allocator_data: Default_Temp_Allocator
+	}
 }
 
 @(builtin, disabled=NO_DEFAULT_TEMP_ALLOCATOR)
-- 
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