[libcxx-commits] [libcxx] [libc++] Fix <__algorithm/find.h> when using -flax-vector-conversions=none (PR #161362)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 created https://github.com/llvm/llvm-project/pull/161362

None

>From a9db36c85e821e46e2d0ef0975cce91cab22a046 Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Tue, 30 Sep 2025 14:39:39 +0200
Subject: [PATCH] [libc++] Fix <__algorithm/find.h> when using
 -flax-vector-conversions=none

---
 libcxx/include/__algorithm/find.h  | 3 ++-
 libcxx/utils/libcxx/test/params.py | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/libcxx/include/__algorithm/find.h b/libcxx/include/__algorithm/find.h
index 5f32ae8fc9524..0df9598036461 100644
--- a/libcxx/include/__algorithm/find.h
+++ b/libcxx/include/__algorithm/find.h
@@ -26,6 +26,7 @@
 #include <__type_traits/is_equality_comparable.h>
 #include <__type_traits/is_integral.h>
 #include <__type_traits/is_signed.h>
+#include <__type_traits/remove_const.h>
 #include <__utility/move.h>
 #include <limits>
 
@@ -69,7 +70,7 @@ _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp* __find_vectorized(_Tp* __first, _Tp* __last,
 
     auto __orig_first = __first;
 
-    auto __values = static_cast<__simd_vector<_Up, __vec_size>>(__value); // broadcast the value
+    auto __values = static_cast<__simd_vector<_Tp, __vec_size>>(__value); // broadcast the value
     while (static_cast<size_t>(__last - __first) >= __unroll_count * __vec_size) [[__unlikely__]] {
       __vec __lhs[__unroll_count];
 
diff --git a/libcxx/utils/libcxx/test/params.py b/libcxx/utils/libcxx/test/params.py
index 6f013a75195a8..c02d6df1c47a4 100644
--- a/libcxx/utils/libcxx/test/params.py
+++ b/libcxx/utils/libcxx/test/params.py
@@ -75,6 +75,9 @@
 
     # We're not annotating all the APIs, since that's a lot of annotations compared to how many we actually care about
     "-Wno-nullability-completeness",
+
+    # Technically not a warning flag, but might as well be:
+    "-flax-vector-conversions=none",
 ]
 
 _allStandards = ["c++03", "c++11", "c++14", "c++17", "c++20", "c++23", "c++26"]