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, 22 insertions, 0 deletions

diff --git a/src/test/mir-opt/remove-never-const.rs b/src/test/mir-opt/remove-never-const.rs
new file mode 100644
index 000000000..017746647
--- /dev/null
+++ b/src/test/mir-opt/remove-never-const.rs
@@ -0,0 +1,22 @@
+// This was originally a regression test for #66975 - ensure that we do not generate never typed
+// consts in codegen. We also have tests for this that catches the error, see
+// src/test/ui/consts/const-eval/index-out-of-bounds-never-type.rs.
+
+// Force generation of optimized mir for functions that do not reach codegen.
+// compile-flags: --emit mir,link
+
+#![feature(never_type)]
+#![warn(const_err)]
+
+struct PrintName<T>(T);
+
+impl<T> PrintName<T> {
+    const VOID: ! = panic!();
+}
+
+// EMIT_MIR remove_never_const.no_codegen.PreCodegen.after.mir
+fn no_codegen<T>() {
+    let _ = PrintName::<T>::VOID;
+}
+
+fn main() {}