From c5bde0699fb69ba507fa1d0f5642e2407654f5e3 Mon Sep 17 00:00:00 2001
From: Paul Kirth <paulkirth@google.com>
Date: Thu, 22 Dec 2022 20:29:31 +0000
Subject: [PATCH] Enable Shadow Call Stack for Fuchsia on AArch64

Fuchsia already uses SCS by default for C/C++ code on ARM hardware.
This patch allows SCS to be used for Rust code as well.
---
 compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs b/compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs
index da493f0c260..ef2ab304f9e 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_fuchsia.rs
@@ -8,7 +8,9 @@ pub fn target() -> Target {
         arch: "aarch64".into(),
         options: TargetOptions {
             max_atomic_width: Some(128),
-            supported_sanitizers: SanitizerSet::ADDRESS | SanitizerSet::CFI,
+            supported_sanitizers: SanitizerSet::ADDRESS
+                | SanitizerSet::CFI
+                | SanitizerSet::SHADOWCALLSTACK,
             ..super::fuchsia_base::opts()
         },
     }