1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/feature-gates/feature-gate-cfg-target-compact.rs b/src/test/ui/feature-gates/feature-gate-cfg-target-compact.rs
new file mode 100644
index 000000000..df81b7d22
--- /dev/null
+++ b/src/test/ui/feature-gates/feature-gate-cfg-target-compact.rs
@@ -0,0 +1,13 @@
+#[cfg(target(os = "x"))] //~ ERROR compact `cfg(target(..))` is experimental
+struct Foo(u64, u64);
+
+#[cfg_attr(target(os = "x"), x)] //~ ERROR compact `cfg(target(..))` is experimental
+struct Bar(u64, u64);
+
+#[cfg(not(any(all(target(os = "x")))))] //~ ERROR compact `cfg(target(..))` is experimental
+fn foo() {}
+
+fn main() {
+    cfg!(target(os = "x"));
+    //~^ ERROR compact `cfg(target(..))` is experimental and subject to change
+}