[llvm] [ADT] Use a C++17 fold expression in BitVector.h (NFC) (PR #161626)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/161626

This patch simplifies the assertion by replacing the std::all_of check
with a more direct C++17 fold expression.


>From 3069ca74eed725b2a8f49a28ef7fab02db2b776e Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Wed, 1 Oct 2025 07:42:13 -0700
Subject: [PATCH] [ADT] Use a C++17 fold expression in BitVector.h (NFC)

This patch simplifies the assertion by replacing the std::all_of check
with a more direct C++17 fold expression.
---
 llvm/include/llvm/ADT/BitVector.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/llvm/include/llvm/ADT/BitVector.h b/llvm/include/llvm/ADT/BitVector.h
index 83350e6e45846..9e81a4b735e7f 100644
--- a/llvm/include/llvm/ADT/BitVector.h
+++ b/llvm/include/llvm/ADT/BitVector.h
@@ -570,10 +570,7 @@ class BitVector {
   template <class F, class... ArgTys>
   static BitVector &apply(F &&f, BitVector &Out, BitVector const &Arg,
                           ArgTys const &...Args) {
-    assert(llvm::all_of(
-               std::initializer_list<unsigned>{Args.size()...},
-               [&Arg](auto const &BV) { return Arg.size() == BV; }) &&
-           "consistent sizes");
+    assert(((Arg.size() == Args.size()) && ...) && "consistent sizes");
     Out.resize(Arg.size());
     for (size_type I = 0, E = Arg.Bits.size(); I != E; ++I)
       Out.Bits[I] = f(Arg.Bits[I], Args.Bits[I]...);