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-rw-r--r--tests/ui/consts/const-multi-ref.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/consts/const-multi-ref.rs b/tests/ui/consts/const-multi-ref.rs
new file mode 100644
index 000000000..7e0f1a812
--- /dev/null
+++ b/tests/ui/consts/const-multi-ref.rs
@@ -0,0 +1,24 @@
+// Ensure that we point the user to the erroneous borrow but not to any subsequent borrows of that
+// initial one.
+
+const _: i32 = {
+ let mut a = 5;
+ let p = &mut a; //~ ERROR mutable references are not allowed in constants
+
+ let reborrow = {p};
+ let pp = &reborrow;
+ let ppp = &pp;
+ ***ppp
+};
+
+const _: std::cell::Cell<i32> = {
+ let mut a = std::cell::Cell::new(5);
+ let p = &a; //~ ERROR borrowed element may contain interior mutability
+
+ let reborrow = {p};
+ let pp = &reborrow;
+ let ppp = &pp;
+ a
+};
+
+fn main() {}