Mark `has_global_allocator` query as `eval_always`

Fixes #84252

This query reads from untracked global state in `CStore`.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/test/incremental/issue-84252-global-alloc.rs b/src/test/incremental/issue-84252-global-alloc.rs
new file mode 100644
index 00000000000..d2438df89ff
--- /dev/null
+++ b/src/test/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;