Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/test/ui/consts/const-eval/const_let.rs b/src/test/ui/consts/const-eval/const_let.rs
new file mode 100644
index 000000000..18692dbce
--- /dev/null
+++ b/src/test/ui/consts/const-eval/const_let.rs
@@ -0,0 +1,29 @@
+fn main() {}
+
+struct FakeNeedsDrop;
+
+impl Drop for FakeNeedsDrop {
+    fn drop(&mut self) {}
+}
+
+// ok
+const X: FakeNeedsDrop = { let x = FakeNeedsDrop; x };
+
+// ok (used to incorrectly error, see #62273)
+const X2: FakeNeedsDrop = { let x; x = FakeNeedsDrop; x };
+
+// error
+const Y: FakeNeedsDrop = { let mut x = FakeNeedsDrop; x = FakeNeedsDrop; x };
+//~^ ERROR destructors cannot be evaluated at compile-time
+
+// error
+const Y2: FakeNeedsDrop = { let mut x; x = FakeNeedsDrop; x = FakeNeedsDrop; x };
+//~^ ERROR destructors cannot be evaluated at compile-time
+
+// error
+const Z: () = { let mut x = None; x = Some(FakeNeedsDrop); };
+//~^ ERROR destructors cannot be evaluated at compile-time
+
+// error
+const Z2: () = { let mut x; x = None; x = Some(FakeNeedsDrop); };
+//~^ ERROR destructors cannot be evaluated at compile-time