[gcc r14-7136] libstdc++: Use using instead of typedef in opts-common.h

[Ken Matsui]

https://gcc.gnu.org/g:65e2c932019b4e36d7c1d49952dc006fa7419a3d

commit r14-7136-g65e2c932019b4e36d7c1d49952dc006fa7419a3d
Author: Ken Matsui <kmatsui@gcc.gnu.org>
Date:   Thu Jan 11 00:23:32 2024 -0800

    libstdc++: Use using instead of typedef in opts-common.h
    
    libstdc++-v3/ChangeLog:
    
            * src/filesystem/ops-common.h (stat_type): Use using.
    
    Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
    Reviewed-by: Jonathan Wakely <jwakely@redhat.com>

Diff:
---
 libstdc++-v3/src/filesystem/ops-common.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libstdc++-v3/src/filesystem/ops-common.h b/libstdc++-v3/src/filesystem/ops-common.h
index d78a54754c2..d917fddbeb1 100644
--- a/libstdc++-v3/src/filesystem/ops-common.h
+++ b/libstdc++-v3/src/filesystem/ops-common.h
@@ -118,7 +118,7 @@ namespace __gnu_posix
   inline int close(int fd)
   { return ::_close(fd); }
 
-  typedef struct ::__stat64 stat_type;
+  using stat_type = struct ::__stat64;
 
   inline int stat(const wchar_t* path, stat_type* buffer)
   { return ::_wstat64(path, buffer); }
@@ -184,7 +184,7 @@ namespace __gnu_posix
   using ::open;
   using ::close;
 # ifdef _GLIBCXX_HAVE_SYS_STAT_H
-  typedef struct ::stat stat_type;
+  using stat_type = struct ::stat;
   using ::stat;
 #  ifdef _GLIBCXX_USE_LSTAT
   using ::lstat;