[libcxx-commits] [libcxx] [libc++] Add exception guard for vector<bool>::__init_with_sentinel (PR #115491)

[Peng Liu via libcxx-commits]

https://github.com/winner245 created https://github.com/llvm/llvm-project/pull/115491

I think this was missing from earlier PRs. 

>From 4e057c1b49b847a16bd3513e1d2e950ab6aee04d Mon Sep 17 00:00:00 2001
From: Peng Liu <winner245 at hotmail.com>
Date: Fri, 8 Nov 2024 00:23:42 -0500
Subject: [PATCH] Add exception guard for vector<bool>::__init_with_sentinel

---
 libcxx/include/__vector/vector_bool.h | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/libcxx/include/__vector/vector_bool.h b/libcxx/include/__vector/vector_bool.h
index 462095fd07acf7..4612cb96e67659 100644
--- a/libcxx/include/__vector/vector_bool.h
+++ b/libcxx/include/__vector/vector_bool.h
@@ -398,18 +398,12 @@ class _LIBCPP_TEMPLATE_VIS vector<bool, _Allocator> {
   template <class _InputIterator, class _Sentinel>
   _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
   __init_with_sentinel(_InputIterator __first, _Sentinel __last) {
-#if _LIBCPP_HAS_EXCEPTIONS
-    try {
-#endif // _LIBCPP_HAS_EXCEPTIONS
-      for (; __first != __last; ++__first)
-        push_back(*__first);
-#if _LIBCPP_HAS_EXCEPTIONS
-    } catch (...) {
-      if (__begin_ != nullptr)
-        __storage_traits::deallocate(__alloc(), __begin_, __cap());
-      throw;
-    }
-#endif // _LIBCPP_HAS_EXCEPTIONS
+    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
+
+    for (; __first != __last; ++__first)
+      push_back(*__first);
+
+    __guard.__complete();
   }
 
   template <class _Iterator, class _Sentinel>