From cf9eaeaaeec3eb9438b7fc184c493425e8741c88 Mon Sep 17 00:00:00 2001 From: Jonathan Wakely Date: Fri, 28 Oct 2022 15:28:09 +0100 Subject: [PATCH] libstdc++: Fix dangling reference in filesystem::path::filename() The new -Wdangling-reference warning noticed this. libstdc++-v3/ChangeLog: * include/bits/fs_path.h (path::filename()): Fix dangling reference. (cherry picked from commit 49237fe6ef677a81eae701f937546210c90b5914) --- libstdc++-v3/include/bits/fs_path.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libstdc++-v3/include/bits/fs_path.h b/libstdc++-v3/include/bits/fs_path.h index 3370bf7161e0..9f0f2bf5d2dc 100644 --- a/libstdc++-v3/include/bits/fs_path.h +++ b/libstdc++-v3/include/bits/fs_path.h @@ -1211,9 +1211,9 @@ namespace __detail { if (_M_pathname.back() == preferred_separator) return {}; - auto& __last = *--end(); - if (__last._M_type() == _Type::_Filename) - return __last; + auto __last = --end(); + if (__last->_M_type() == _Type::_Filename) + return *__last; } return {}; } -- 2.47.2