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-rw-r--r--src/tools/clippy/tests/ui-internal/outer_expn_data.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui-internal/outer_expn_data.rs b/src/tools/clippy/tests/ui-internal/outer_expn_data.rs
new file mode 100644
index 000000000..187d468b3
--- /dev/null
+++ b/src/tools/clippy/tests/ui-internal/outer_expn_data.rs
@@ -0,0 +1,29 @@
+// run-rustfix
+
+#![deny(clippy::internal)]
+#![allow(clippy::missing_clippy_version_attribute)]
+#![feature(rustc_private)]
+
+extern crate rustc_hir;
+extern crate rustc_lint;
+extern crate rustc_middle;
+#[macro_use]
+extern crate rustc_session;
+use rustc_hir::Expr;
+use rustc_lint::{LateContext, LateLintPass};
+
+declare_lint! {
+ pub TEST_LINT,
+ Warn,
+ ""
+}
+
+declare_lint_pass!(Pass => [TEST_LINT]);
+
+impl<'tcx> LateLintPass<'tcx> for Pass {
+ fn check_expr(&mut self, _cx: &LateContext<'tcx>, expr: &'tcx Expr) {
+ let _ = expr.span.ctxt().outer_expn().expn_data();
+ }
+}
+
+fn main() {}