1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/imports/import-crate-with-invalid-spans/main.rs b/src/test/ui/imports/import-crate-with-invalid-spans/main.rs
new file mode 100644
index 000000000..64a4deca8
--- /dev/null
+++ b/src/test/ui/imports/import-crate-with-invalid-spans/main.rs
@@ -0,0 +1,13 @@
+// run-pass
+// aux-build:crate_with_invalid_spans.rs
+
+// pretty-expanded FIXME #23616
+
+extern crate crate_with_invalid_spans;
+
+fn main() {
+    // The AST of `exported_generic` stored in crate_with_invalid_spans's
+    // metadata should contain an invalid span where span.lo() > span.hi().
+    // Let's make sure the compiler doesn't crash when encountering this.
+    let _ = crate_with_invalid_spans::exported_generic(32u32, 7u32);
+}