1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-temporary-cstring-as-param.rs b/src/test/ui/lint/lint-temporary-cstring-as-param.rs
new file mode 100644
index 000000000..9f5805367
--- /dev/null
+++ b/src/test/ui/lint/lint-temporary-cstring-as-param.rs
@@ -0,0 +1,11 @@
+#![deny(temporary_cstring_as_ptr)]
+
+use std::ffi::CString;
+use std::os::raw::c_char;
+
+fn some_function(data: *const c_char) {}
+
+fn main() {
+    some_function(CString::new("").unwrap().as_ptr());
+    //~^ ERROR getting the inner pointer of a temporary `CString`
+}