[gcc r13-3554] libstdc++: Fix dangling reference in filesystem::path::filename()
Jonathan Wakely
redi@gcc.gnu.org
Fri Oct 28 23:56:01 GMT 2022
https://gcc.gnu.org/g:49237fe6ef677a81eae701f937546210c90b5914
commit r13-3554-g49237fe6ef677a81eae701f937546210c90b5914
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Fri Oct 28 15:28:09 2022 +0100
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.
Diff:
---
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 6e7b366d104..2fc7dcd98c9 100644
--- a/libstdc++-v3/include/bits/fs_path.h
+++ b/libstdc++-v3/include/bits/fs_path.h
@@ -1262,9 +1262,9 @@ 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 {};
}
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