[gcc r16-5627] libstdc++: Fix typo in operator used in __pack_ints [PR122864]

[Tomasz Kaminski]

https://gcc.gnu.org/g:4e7213aa081f1c0ca5b7e6a60d4e7ba5bcfb1f8a

commit r16-5627-g4e7213aa081f1c0ca5b7e6a60d4e7ba5bcfb1f8a
Author: Tomasz Kamiński <tkaminsk@redhat.com>
Date:   Wed Nov 26 14:28:39 2025 +0100

    libstdc++: Fix typo in operator used in __pack_ints [PR122864]
    
    `<=` was used instead of `<<`, this was detected by clang warning.
    
            PR libstdc++/122864
    
    libstdc++-v3/ChangeLog:
    
            * include/std/chrono (chrono::__pack_ints): Replace `<=`
            with `<<`.

Diff:
---
 libstdc++-v3/include/std/chrono | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono
index 8dd79799a962..3e0cf42e5491 100644
--- a/libstdc++-v3/include/std/chrono
+++ b/libstdc++-v3/include/std/chrono
@@ -3355,7 +3355,7 @@ namespace __detail
        }());
 
        _ResT __res = __v1;
-       ((__res = (__res <= (sizeof(_Ts) * __CHAR_BIT__) | _ResT(__vs))), ...);
+       ((__res = (__res << (sizeof(_Ts) * __CHAR_BIT__) | _ResT(__vs))), ...);
        return __res;
      }