Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/hir_def/src/data.rs9
-rw-r--r--crates/hir_ty/src/tests/regression.rs17
2 files changed, 26 insertions, 0 deletions
diff --git a/crates/hir_def/src/data.rs b/crates/hir_def/src/data.rs
index 8e0bb0c34d..6571b2a927 100644
--- a/crates/hir_def/src/data.rs
+++ b/crates/hir_def/src/data.rs
@@ -56,6 +56,15 @@ impl FunctionData {
if is_varargs {
flags.bits |= FnFlags::IS_VARARGS;
}
+ if flags.bits & FnFlags::HAS_SELF_PARAM != 0 {
+ // If there's a self param in the syntax, but it is cfg'd out, remove the flag.
+ cov_mark::hit!(cfgd_out_self_param);
+ let param =
+ func.params.clone().next().expect("fn HAS_SELF_PARAM but no parameters allocated");
+ if !item_tree.attrs(db, krate, param.into()).is_cfg_enabled(cfg_options) {
+ flags.bits &= !FnFlags::HAS_SELF_PARAM;
+ }
+ }
let legacy_const_generics_indices = item_tree
.attrs(db, krate, ModItem::from(loc.id.value).into())
diff --git a/crates/hir_ty/src/tests/regression.rs b/crates/hir_ty/src/tests/regression.rs
index be2b733a4b..37f321a0f0 100644
--- a/crates/hir_ty/src/tests/regression.rs
+++ b/crates/hir_ty/src/tests/regression.rs
@@ -1488,3 +1488,20 @@ fn test<T: Crash>() {
"#,
);
}
+
+#[test]
+fn cfgd_out_self_param() {
+ cov_mark::check!(cfgd_out_self_param);
+ check_no_mismatches(
+ r#"
+struct S;
+impl S {
+ fn f(#[cfg(never)] &self) {}
+}
+
+fn f(s: S) {
+ s.f();
+}
+"#,
+ );
+}