Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/ui/consts/const-needs_drop-monomorphic.rs b/tests/ui/consts/const-needs_drop-monomorphic.rs
new file mode 100644
index 000000000..7402c6809
--- /dev/null
+++ b/tests/ui/consts/const-needs_drop-monomorphic.rs
@@ -0,0 +1,17 @@
+// Check that evaluation of needs_drop<T> fails when T is not monomorphic.
+#![feature(generic_const_exprs)]
+#![allow(const_evaluatable_unchecked)]
+#![allow(incomplete_features)]
+
+struct Bool<const B: bool> {}
+impl Bool<true> {
+    fn assert() {}
+}
+fn f<T>() {
+    Bool::<{ std::mem::needs_drop::<T>() }>::assert();
+    //~^ ERROR no function or associated item named `assert` found
+    //~| ERROR unconstrained generic constant
+}
+fn main() {
+    f::<u32>();
+}