From ea19243d15de0d15bdeee6f82c27366477d7a043 Mon Sep 17 00:00:00 2001
From: ldm0 <ldm2993593805@163.com>
Date: Sat, 10 Jun 2023 16:58:51 +0000
Subject: [PATCH] Add test

---
 tests/codegen/enum-u128.rs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tests/codegen/enum-u128.rs

diff --git a/tests/codegen/enum-u128.rs b/tests/codegen/enum-u128.rs
new file mode 100644
index 00000000000..f50d360ac9f
--- /dev/null
+++ b/tests/codegen/enum-u128.rs
@@ -0,0 +1,27 @@
+// This tests that debug info for "c-like" 128bit enums is properly emitted.
+// This is ignored for the fallback mode on MSVC due to problems with PDB.
+
+//
+// ignore-msvc
+
+// compile-flags: -g -C no-prepopulate-passes
+
+// CHECK-LABEL: @main
+// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_enumeration_type,{{.*}}name: "Foo",{{.*}}flags: DIFlagEnumClass,{{.*}}
+// CHECK: {{.*}}DIEnumerator{{.*}}name: "Lo",{{.*}}value: 0,{{.*}}
+// CHECK: {{.*}}DIEnumerator{{.*}}name: "Hi",{{.*}}value: 18446744073709551616,{{.*}}
+// CHECK: {{.*}}DIEnumerator{{.*}}name: "Bar",{{.*}}value: 18446745000000000123,{{.*}}
+
+#![allow(incomplete_features)]
+#![feature(repr128)]
+
+#[repr(u128)]
+pub enum Foo {
+    Lo,
+    Hi = 1 << 64,
+    Bar = 18_446_745_000_000_000_123,
+}
+
+pub fn main() {
+    let foo = Foo::Bar;
+}