From 335e00faaf74f3f7463b32a415d39af0973f521f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder@redhat.com>
Date: Thu, 23 May 2024 10:20:42 +0200
Subject: [PATCH] [clang][Interp][NFC] Add another union test case

---
 clang/test/AST/Interp/unions.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/clang/test/AST/Interp/unions.cpp b/clang/test/AST/Interp/unions.cpp
index bc5604c2b2d044..73e42d57a7b772 100644
--- a/clang/test/AST/Interp/unions.cpp
+++ b/clang/test/AST/Interp/unions.cpp
@@ -30,3 +30,16 @@ constexpr A ab = {.d = 1.0};
 static_assert(ab.d == 1.0, "");
 static_assert(ab.a == 1, ""); // both-error {{not an integral constant expression}} \
                               // both-note {{read of member 'a' of union with active member 'd'}}
+
+namespace SimpleStore {
+  union A {
+    int a;
+    int b;
+  };
+  constexpr int foo() {
+    A a{.b = 4};
+    a.b = 10;
+    return a.b;
+  }
+  static_assert(foo() == 10, "");
+}