From 1a2bb70956df44e9c1dd2f06e1e98b4b7ff265d6 Mon Sep 17 00:00:00 2001
From: kcbanner <kcbanner@gmail.com>
Date: Tue, 18 Jul 2023 00:35:04 -0400
Subject: [PATCH] dwarf: write the CFA as SP before the register update, in
 case the SP itself is updated by a column rule

---
 lib/std/dwarf.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/std/dwarf.zig b/lib/std/dwarf.zig
index 1721cc2d88..6681c5501c 100644
--- a/lib/std/dwarf.zig
+++ b/lib/std/dwarf.zig
@@ -1810,6 +1810,7 @@ pub const DwarfInfo = struct {
             }
         }
 
+        (try abi.regValueNative(usize, context.thread_context, abi.spRegNum(context.reg_context), context.reg_context)).* = context.cfa.?;
         while (update_tail) |tail| {
             @memcpy(tail.old_value, tail.new_value);
             update_tail = tail.prev;