Use correct `hir_id` for array const arg infers

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/const-generics/generic_arg_infer/array-repeat-expr-lib.rs b/tests/ui/const-generics/generic_arg_infer/array-repeat-expr-lib.rs
new file mode 100644
index 00000000000..c1f725db126
--- /dev/null
+++ b/tests/ui/const-generics/generic_arg_infer/array-repeat-expr-lib.rs
@@ -0,0 +1,12 @@
+//@ check-pass
+
+#![feature(generic_arg_infer)]
+#![crate_type = "lib"]
+
+// Test that encoding the hallucinated `DefId` for the `_` const argument doesn't
+// ICE (see #133468). This requires this to be a library crate.
+
+pub fn foo() {
+    let s: [u8; 10];
+    s = [0; _];
+}