From 4f3b59f708058ce4e4b6a1cacd2a3dae6e1c7aae Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Wed, 28 May 2025 02:26:38 -0400
Subject: [PATCH] debug: disable fp-based frame unwinding when fp is omitted

This has been causing non-deterministic timeouts on aarch64 CI.
---
 lib/std/debug.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index 7b55a05db5..527676566c 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -932,6 +932,8 @@ pub const StackIterator = struct {
             }
         }
 
+        if (builtin.omit_frame_pointer) return null;
+
         const fp = if (comptime native_arch.isSPARC())
             // On SPARC the offset is positive. (!)
             math.add(usize, it.fp, fp_offset) catch return null