From f35fb75fe4e06002176b21c25922bc9744e32f74 Mon Sep 17 00:00:00 2001
From: daxpedda <daxpedda@gmail.com>
Date: Sat, 20 Dec 2025 05:32:55 +0100
Subject: [PATCH] Wasm: stabilize `target_feature = "gc"`

---
 compiler/rustc_target/src/target_features.rs |  2 +-
 tests/ui/wasm/wasm-stable-target-features.rs | 16 ++++++++++------
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs
index 35cfeba2bffd1..c0cb339fb7585 100644
--- a/compiler/rustc_target/src/target_features.rs
+++ b/compiler/rustc_target/src/target_features.rs
@@ -745,7 +745,7 @@ static WASM_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
     ("bulk-memory", Stable, &[]),
     ("exception-handling", Unstable(sym::wasm_target_feature), &[]),
     ("extended-const", Stable, &[]),
-    ("gc", Unstable(sym::wasm_target_feature), &["reference-types"]),
+    ("gc", Stable, &["reference-types"]),
     ("multivalue", Stable, &[]),
     ("mutable-globals", Stable, &[]),
     ("nontrapping-fptoint", Stable, &[]),
diff --git a/tests/ui/wasm/wasm-stable-target-features.rs b/tests/ui/wasm/wasm-stable-target-features.rs
index b6d4b67d0703f..d67ae1bee1823 100644
--- a/tests/ui/wasm/wasm-stable-target-features.rs
+++ b/tests/ui/wasm/wasm-stable-target-features.rs
@@ -17,24 +17,27 @@ fn foo3() {}
 #[target_feature(enable = "extended-const")]
 fn foo4() {}
 
-#[target_feature(enable = "mutable-globals")]
+#[target_feature(enable = "gc")]
 fn foo5() {}
 
-#[target_feature(enable = "nontrapping-fptoint")]
+#[target_feature(enable = "mutable-globals")]
 fn foo6() {}
 
-#[target_feature(enable = "simd128")]
+#[target_feature(enable = "nontrapping-fptoint")]
 fn foo7() {}
 
-#[target_feature(enable = "relaxed-simd")]
+#[target_feature(enable = "simd128")]
 fn foo8() {}
 
-#[target_feature(enable = "sign-ext")]
+#[target_feature(enable = "relaxed-simd")]
 fn foo9() {}
 
-#[target_feature(enable = "tail-call")]
+#[target_feature(enable = "sign-ext")]
 fn foo10() {}
 
+#[target_feature(enable = "tail-call")]
+fn foo11() {}
+
 fn main() {
     foo1();
     foo2();
@@ -46,4 +49,5 @@ fn main() {
     foo8();
     foo9();
     foo10();
+    foo11();
 }