summaryrefslogtreecommitdiffstats
path: root/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/type-alias-impl-trait/structural-match-no-leak.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/type-alias-impl-trait/structural-match-no-leak.rs')
-rw-r--r--tests/ui/type-alias-impl-trait/structural-match-no-leak.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs b/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs
new file mode 100644
index 000000000..c2ab6a9d1
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs
@@ -0,0 +1,20 @@
+#![feature(type_alias_impl_trait)]
+
+type Bar = impl Send;
+
+// While i32 is structural-match, we do not want to leak this information.
+// (See https://github.com/rust-lang/rust/issues/72156)
+const fn leak_free() -> Bar {
+ 7i32
+}
+const LEAK_FREE: Bar = leak_free();
+
+fn leak_free_test() {
+ match LEAK_FREE {
+ LEAK_FREE => (),
+ //~^ `Bar` cannot be used in patterns
+ _ => (),
+ }
+}
+
+fn main() {}