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-rw-r--r--tests/ui/conditional-compilation/cfg-attr-multi-true.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/conditional-compilation/cfg-attr-multi-true.rs b/tests/ui/conditional-compilation/cfg-attr-multi-true.rs
new file mode 100644
index 00000000000..876d8b079a1
--- /dev/null
+++ b/tests/ui/conditional-compilation/cfg-attr-multi-true.rs
@@ -0,0 +1,21 @@
+// Test that cfg_attr with multiple attributes actually emits both attributes.
+// This is done by emitting two attributes that cause new warnings, and then
+// triggering those warnings.
+
+// build-pass (FIXME(62277): could be check-pass?)
+
+#![warn(unused_must_use)]
+
+#[cfg_attr(all(), deprecated, must_use)]
+struct MustUseDeprecated {}
+
+impl MustUseDeprecated { //~ warning: use of deprecated
+    fn new() -> MustUseDeprecated { //~ warning: use of deprecated
+        MustUseDeprecated {} //~ warning: use of deprecated
+    }
+}
+
+fn main() {
+    MustUseDeprecated::new(); //~ warning: use of deprecated
+    //~| warning: unused `MustUseDeprecated` that must be used
+}