ABI-required target features: warn when they are missing in base CPU (rather than silently enabling them)

2025-01-27 18:30:17 +01:00
parent f753850659
commit 93ee180cfa
15 changed files with 80 additions and 127 deletions
--- a/compiler/rustc_codegen_gcc/src/lib.rs
+++ b/compiler/rustc_codegen_gcc/src/lib.rs
@@ -493,9 +493,10 @@ fn target_features_cfg(
    sess.target
        .rust_target_features()
        .iter()
-        .filter(|&&(_, gate, _)| gate.in_cfg())
        .filter_map(|&(feature, gate, _)| {
-            if sess.is_nightly_build() || allow_unstable || gate.requires_nightly().is_none() {
+            if allow_unstable
+                || (gate.in_cfg() && (sess.is_nightly_build() || gate.requires_nightly().is_none()))
+            {
                Some(feature)
            } else {
                None