From 1dd0a01deb61bd8ec132c5f39943af2eb4b2eaf9 Mon Sep 17 00:00:00 2001
From: Ana Hobden <operator@hoverbear.org>
Date: Tue, 7 Oct 2025 13:06:56 -0700
Subject: [PATCH] Fix backtraces with -C panic=abort on qnx; emit unwind tables
 by default

---
 compiler/rustc_target/src/spec/base/nto_qnx.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler/rustc_target/src/spec/base/nto_qnx.rs b/compiler/rustc_target/src/spec/base/nto_qnx.rs
index 3f35b8b801ab9..6498742917545 100644
--- a/compiler/rustc_target/src/spec/base/nto_qnx.rs
+++ b/compiler/rustc_target/src/spec/base/nto_qnx.rs
@@ -12,6 +12,9 @@ pub(crate) fn opts() -> TargetOptions {
         has_thread_local: false,
         linker: Some("qcc".into()),
         os: "nto".into(),
+        // We want backtraces to work by default and they rely on unwind tables
+        // (regardless of `-C panic` strategy).
+        default_uwtable: true,
         position_independent_executables: true,
         static_position_independent_executables: true,
         relro_level: RelroLevel::Full,