Adding upstream version 1.66.0+dfsg1.upstream/1.66.0+dfsg1

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

1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/ui/intrinsics/const-eval-select-backtrace.rs b/src/test/ui/intrinsics/const-eval-select-backtrace.rs
new file mode 100644
index 000000000..ef1c7c419
--- /dev/null
+++ b/src/test/ui/intrinsics/const-eval-select-backtrace.rs
@@ -0,0 +1,19 @@
+#![feature(core_intrinsics)]
+// See issue #100696.
+// run-fail
+// check-run-results
+// exec-env:RUST_BACKTRACE=0
+
+#[track_caller]
+fn uhoh() {
+    panic!("Aaah!")
+}
+
+const fn c() {}
+
+fn main() {
+    // safety: this is unsound and just used to test
+    unsafe {
+        std::intrinsics::const_eval_select((), c, uhoh);
+    }
+}