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Diffstat (limited to 'tests/ui/feature-gates/feature-gated-feature-in-macro-arg.rs')
-rw-r--r--tests/ui/feature-gates/feature-gated-feature-in-macro-arg.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/feature-gated-feature-in-macro-arg.rs b/tests/ui/feature-gates/feature-gated-feature-in-macro-arg.rs
new file mode 100644
index 00000000000..1285cca6b8b
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gated-feature-in-macro-arg.rs
@@ -0,0 +1,14 @@
+// tests that input to a macro is checked for use of gated features. If this
+// test succeeds due to the acceptance of a feature, pick a new feature to
+// test. Not ideal, but oh well :(
+
+fn main() {
+    let a = &[1, 2, 3];
+    println!("{}", {
+        extern "rust-intrinsic" { //~ ERROR intrinsics are subject to change
+            fn atomic_fence();
+        }
+        atomic_fence();
+        42
+    });
+}