From 68ea4d533946ee5324b12b0e9a182ca896286086 Mon Sep 17 00:00:00 2001
From: Jean IBARZ <ibarz.jean@gmail.com>
Date: Sun, 29 Mar 2026 14:02:37 +0200
Subject: [PATCH] Add regression test for mono item collection ICE with
 generic_const_exprs

Exercises -Clink-dead-code=true with generic_const_exprs and
min_generic_const_args, which previously caused an ICE in mono
item collection.
---
 ...ric-const-exprs-mono-collect-ice-149035.rs | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/ui/const-generics/generic_const_exprs/generic-const-exprs-mono-collect-ice-149035.rs

diff --git a/tests/ui/const-generics/generic_const_exprs/generic-const-exprs-mono-collect-ice-149035.rs b/tests/ui/const-generics/generic_const_exprs/generic-const-exprs-mono-collect-ice-149035.rs
new file mode 100644
index 0000000000000..9e1216ae4c02a
--- /dev/null
+++ b/tests/ui/const-generics/generic_const_exprs/generic-const-exprs-mono-collect-ice-149035.rs
@@ -0,0 +1,20 @@
+//! Ensure `-Clink-dead-code=true` with `generic_const_exprs` and
+//! `min_generic_const_args` doesn't ICE in mono item collection.
+//!
+//! Regression test for <https://github.com/rust-lang/rust/issues/149035>.
+
+//@ build-pass
+//@ compile-flags: -Clink-dead-code=true
+
+#![feature(min_generic_const_args, generic_const_exprs)]
+
+type const L: usize = 4;
+trait Print<const N: usize> {
+    fn print() -> usize {
+        N
+    }
+}
+struct Printer;
+impl Print<L> for Printer {}
+
+fn main() {}