1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs
new file mode 100644
index 000000000..b53c9ac7a
--- /dev/null
+++ b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_uninit.rs
@@ -0,0 +1,10 @@
+// stderr-per-bitwidth
+// compile-test
+#![feature(core_intrinsics)]
+#![feature(const_heap)]
+#![feature(const_mut_refs)]
+use std::intrinsics;
+
+const BAR: &i32 = unsafe { &*(intrinsics::const_allocate(4, 4) as *mut i32) };
+//~^ error: it is undefined behavior to use this value
+fn main() {}