1 files changed, 12 insertions, 0 deletions
diff --git a/tests/incremental/issue-84252-global-alloc.rs b/tests/incremental/issue-84252-global-alloc.rs
new file mode 100644
index 000000000..d2438df89
--- /dev/null
+++ b/tests/incremental/issue-84252-global-alloc.rs
@@ -0,0 +1,12 @@
+// revisions: cfail1 cfail2
+// build-pass
+
+#![crate_type="lib"]
+#![crate_type="cdylib"]
+
+#[allow(unused_imports)]
+use std::alloc::System;
+
+#[cfg(cfail1)]
+#[global_allocator]
+static ALLOC: System = System;