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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/consts/const_let_promote.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/const_let_promote.rs')
-rw-r--r--tests/ui/consts/const_let_promote.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/consts/const_let_promote.rs b/tests/ui/consts/const_let_promote.rs
new file mode 100644
index 000000000..f4661e9e4
--- /dev/null
+++ b/tests/ui/consts/const_let_promote.rs
@@ -0,0 +1,17 @@
+// run-pass
+
+use std::cell::Cell;
+
+const X: Option<Cell<i32>> = None;
+
+const Y: Option<Cell<i32>> = {
+ let x = None;
+ x
+};
+
+// Ensure that binding the final value of a `const` to a variable does not affect promotion.
+#[allow(unused)]
+fn main() {
+ let x: &'static _ = &X;
+ let y: &'static _ = &Y;
+}