[clang] [Clang] Fix a bot failure after 032ad590 (PR #132555)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 created https://github.com/llvm/llvm-project/pull/132555

See https://github.com/llvm/llvm-project/pull/132061?notification_referrer_id=NT_kwDOBv04MLUxNTM5NjQwOTM5MToxMTcyNTgyODg#issuecomment-2745313527

>From e74045c3cb0264d434411b7a9046637e1d9984ae Mon Sep 17 00:00:00 2001
From: Younan Zhang <zyn7109 at gmail.com>
Date: Sat, 22 Mar 2025 23:56:35 +0800
Subject: [PATCH] [Clang] Fix a bot build failure after 032ad590

---
 clang/test/SemaCXX/ctad.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/test/SemaCXX/ctad.cpp b/clang/test/SemaCXX/ctad.cpp
index 1e4980cc124be..00a861d0f567c 100644
--- a/clang/test/SemaCXX/ctad.cpp
+++ b/clang/test/SemaCXX/ctad.cpp
@@ -79,7 +79,7 @@ using size_t = decltype(sizeof(0));
 
 struct index_type
 {
-  size_t value{~0ull};
+  size_t value = 0;
   index_type() = default;
   constexpr index_type(size_t i) noexcept : value(i) {}
 };