Merge ref '32e7a4b92b10' from rust-lang/rust

Pull recent changes from https://github.com/rust-lang/rust via Josh.

Upstream ref: 32e7a4b92b109c24e9822c862a7c74436b50e564
Filtered ref: 56d8aa13f54944edb711f3bdd7013b082dbaa65b

This merge was created using https://github.com/rust-lang/josh-sync.

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/enum/recursive-enum-memory-32326.rs b/tests/ui/enum/recursive-enum-memory-32326.rs
new file mode 100644
index 00000000000..6b8b04a7c91
--- /dev/null
+++ b/tests/ui/enum/recursive-enum-memory-32326.rs
@@ -0,0 +1,12 @@
+// Regression test for #32326. We ran out of memory because we
+// attempted to expand this case up to the recursion limit, and 2^N is
+// too big.
+
+enum Expr { //~ ERROR E0072
+    Plus(Expr, Expr),
+    Literal(i64),
+}
+
+fn main() { }
+
+// https://github.com/rust-lang/rust/issues/32326