1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-eval/heap/alloc_intrinsic_transient.rs b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_transient.rs
new file mode 100644
index 000000000..92193bb33
--- /dev/null
+++ b/src/test/ui/consts/const-eval/heap/alloc_intrinsic_transient.rs
@@ -0,0 +1,19 @@
+// run-pass
+#![feature(core_intrinsics)]
+#![feature(const_heap)]
+#![feature(const_mut_refs)]
+use std::intrinsics;
+
+const FOO: i32 = foo();
+
+const fn foo() -> i32 {
+    let t = unsafe {
+        let i = intrinsics::const_allocate(4, 4) as * mut i32;
+        *i = 20;
+        i
+    };
+    unsafe { *t }
+}
+fn main() {
+    assert_eq!(FOO, 20);
+}