From 68d2bef8c0e956f0ce1dcee8284687c24230c26b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 26 May 2026 08:05:53 +0200
Subject: [PATCH] std.debug: FP unwinding is useless on xtensa

Like MIPS, we'd have to do backwards code scanning for it to be useful, and at
least for now, we're not willing to do that.
---
 lib/std/debug.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index 263610c3b47c6efc3291bdf94f461652a51f4202..dd6de989cbff6b9a6f0c12a8b3e857b765b03a9b 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -994,6 +994,8 @@ const StackIterator = union(enum) {
         .sh,
         .sheb,
         .xcore,
+        .xtensa,
+        .xtensaeb,
         => .useless,
         .hexagon,
         // The PowerPC ABIs don't actually strictly require a backchain pointer; they allow omitting
-- 
2.54.0