From b67a656a7ab31995266811c40f899f81f0ab7acb Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Mon, 2 Sep 2024 16:23:26 +0200
Subject: [PATCH] also ban soft-float target feature on ARM

---
 compiler/rustc_target/src/target_features.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs
index 10b42a0500a6..7d65bdf4dc57 100644
--- a/compiler/rustc_target/src/target_features.rs
+++ b/compiler/rustc_target/src/target_features.rs
@@ -97,6 +97,7 @@ const ARM_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
     ("neon", Unstable(sym::arm_target_feature), &["vfp3"]),
     ("rclass", Unstable(sym::arm_target_feature), &[]),
     ("sha2", Unstable(sym::arm_target_feature), &["neon"]),
+    ("soft-float", Forbidden, &[]), // changes float ABI
     // This is needed for inline assembly, but shouldn't be stabilized as-is
     // since it should be enabled per-function using #[instruction_set], not
     // #[target_feature].