[clang] [NFC][clang] replace a C-array with std::array (PR #158047)

[Nathan Gauër via cfe-commits]

https://github.com/Keenuts updated https://github.com/llvm/llvm-project/pull/158047

>From e42d05ca3c20817d9869f3e4cc3b98087b285175 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nathan=20Gau=C3=ABr?= <brioche at google.com>
Date: Thu, 11 Sep 2025 13:46:04 +0200
Subject: [PATCH 1/2] [NFC][clang] replace a C-array with std::array

Follow up to #157841, replacing the C-array with std::array
so iterators can be used.
---
 clang/utils/TableGen/ClangAttrEmitter.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index 2e2f32a7a1cb1..cc558722ed6e9 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -5163,7 +5163,7 @@ enum class SpellingKind : size_t {
 static const size_t NumSpellingKinds = (size_t)SpellingKind::NumSpellingKinds;
 
 class SpellingList {
-  std::vector<std::string> Spellings[NumSpellingKinds];
+  std::array<std::vector<std::string>, NumSpellingKinds> Spellings;
 
 public:
   ArrayRef<std::string> operator[](SpellingKind K) const {
@@ -5211,11 +5211,7 @@ class SpellingList {
   }
 
   bool hasSpelling() const {
-    for (size_t Kind = 0; Kind < NumSpellingKinds; ++Kind) {
-      if (Spellings[Kind].size() > 0)
-        return true;
-    }
-    return false;
+    return llvm::any_of(Spellings, [](const auto &L) { return L.size() != 0; });
   }
 };
 

>From b839ed73f38a7a5c441c7dc20af3657be3216372 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nathan=20Gau=C3=ABr?= <github at keenuts.net>
Date: Thu, 11 Sep 2025 13:59:23 +0200
Subject: [PATCH 2/2] Update clang/utils/TableGen/ClangAttrEmitter.cpp

Co-authored-by: Nikolas Klauser <nikolasklauser at berlin.de>
---
 clang/utils/TableGen/ClangAttrEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index cc558722ed6e9..50a3ba261b8f2 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -5211,7 +5211,7 @@ class SpellingList {
   }
 
   bool hasSpelling() const {
-    return llvm::any_of(Spellings, [](const auto &L) { return L.size() != 0; });
+    return llvm::any_of(Spellings, [](const auto &L) { return !L.empty(); });
   }
 };