2 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-39175.rs b/src/test/ui/issues/issue-39175.rs
new file mode 100644
index 00000000000..efe59c31263
--- /dev/null
+++ b/src/test/ui/issues/issue-39175.rs
@@ -0,0 +1,25 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// This test ignores some platforms as the particular extension trait used
+// to demonstrate the issue is only available on unix. This is fine as
+// the fix to suggested paths is not platform-dependent and will apply on
+// these platforms also.
+
+// ignore-windows
+// ignore-cloudabi
+// ignore-emscripten
+
+use std::process::Command;
+// use std::os::unix::process::CommandExt;
+
+fn main() {
+    Command::new("echo").arg("hello").exec();
+}
diff --git a/src/test/ui/issues/issue-39175.stderr b/src/test/ui/issues/issue-39175.stderr
new file mode 100644
index 00000000000..f5611e2e97b
--- /dev/null
+++ b/src/test/ui/issues/issue-39175.stderr
@@ -0,0 +1,15 @@
+error[E0599]: no method named `exec` found for type `&mut std::process::Command` in the current scope
+  --> $DIR/issue-39175.rs:24:39
+   |
+LL |     Command::new("echo").arg("hello").exec();
+   |                                       ^^^^
+   |
+   = help: items from traits can only be used if the trait is in scope
+help: the following trait is implemented but not in scope, perhaps add a `use` for it:
+   |
+LL | use std::os::unix::process::CommandExt;
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0599`.