1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-external-macro-const-err.rs b/src/test/ui/consts/const-external-macro-const-err.rs
new file mode 100644
index 000000000..440c42e32
--- /dev/null
+++ b/src/test/ui/consts/const-external-macro-const-err.rs
@@ -0,0 +1,14 @@
+// edition:2018
+// aux-build:external_macro.rs
+
+// Ensure that CONST_ERR lint errors
+// are not silenced in external macros.
+// https://github.com/rust-lang/rust/issues/65300
+
+extern crate external_macro;
+use external_macro::static_assert;
+
+fn main() {
+    static_assert!(2 + 2 == 5); //~ ERROR
+    //~| WARN this was previously accepted by the compiler but is being phased out
+}