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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs')
-rw-r--r--src/test/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/test/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs b/src/test/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs
new file mode 100644
index 000000000..6ce67dcaf
--- /dev/null
+++ b/src/test/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs
@@ -0,0 +1,54 @@
+// compile-flags: -Z unstable-options
+// NOTE: This test doesn't actually require `fulldeps`
+// so we could instead use it as a `ui` test.
+//
+// Considering that all other `internal-lints` are tested here
+// this seems like the cleaner solution though.
+#![feature(rustc_attrs)]
+#![deny(rustc::pass_by_value)]
+#![allow(unused)]
+
+#[rustc_pass_by_value]
+struct TyCtxt<'tcx> {
+ inner: &'tcx (),
+}
+
+impl<'tcx> TyCtxt<'tcx> {
+ fn by_value(self) {} // OK
+ fn by_ref(&self) {} //~ ERROR passing `TyCtxt<'tcx>` by reference
+}
+
+struct TyS<'tcx> {
+ inner: &'tcx (),
+}
+
+#[rustc_pass_by_value]
+type Ty<'tcx> = &'tcx TyS<'tcx>;
+
+impl<'tcx> TyS<'tcx> {
+ fn by_value(self: Ty<'tcx>) {}
+ fn by_ref(self: &Ty<'tcx>) {} //~ ERROR passing `Ty<'tcx>` by reference
+}
+
+#[rustc_pass_by_value]
+struct Foo;
+
+impl Foo {
+ fn with_ref(&self) {} //~ ERROR passing `Foo` by reference
+}
+
+#[rustc_pass_by_value]
+struct WithParameters<T, const N: usize, M = u32> {
+ slice: [T; N],
+ m: M,
+}
+
+impl<T> WithParameters<T, 1> {
+ fn with_ref(&self) {} //~ ERROR passing `WithParameters<T, 1>` by reference
+}
+
+impl<T> WithParameters<T, 1, u8> {
+ fn with_ref(&self) {} //~ ERROR passing `WithParameters<T, 1, u8>` by reference
+}
+
+fn main() {}