From e0f10da2703fa4a1390c9daf91c0997270920c4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Tue, 14 Oct 2025 09:47:29 +0200
Subject: [PATCH] std.debug: FP-based unwinding is ideal on SPARC

The way SPARC works due to its ABI built around register windows means that we
can always do fast FP-based unwinding.
---
 lib/std/debug.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index 83df76a872..d9eb0cd907 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -886,6 +886,8 @@ const StackIterator = union(enum) {
         .powerpcle,
         .powerpc64,
         .powerpc64le,
+        .sparc,
+        .sparc64,
         => .ideal,
         // https://developer.apple.com/documentation/xcode/writing-arm64-code-for-apple-platforms#Respect-the-purpose-of-specific-CPU-registers
         .aarch64 => if (builtin.target.os.tag.isDarwin()) .safe else .unsafe,