https://gcc.gnu.org/g:932d24f0c705cd647a4f565e41c5dccfaf7b6051
commit r16-6203-g932d24f0c705cd647a4f565e41c5dccfaf7b6051 Author: Jakub Jelinek <[email protected]> Date: Wed Dec 17 09:16:46 2025 +0100 libstdc++: Fix up all_pedantic_errors.cc On x86_64-linux I see On x86_64-linux FAIL: 17_intro/headers/c++1998/all_pedantic_errors.cc -std=gnu++17 (test for excess errors) Excess errors: /home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/random.tcc:3681: error: ISO C++ does not support '__int128' for 'type name' [-Wpedantic] /home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/random.tcc:3698: error: ISO C++ does not support '__int128' for 'type name' [-Wpedantic] This fixes it by adding __extension__. 2025-12-17 Jakub Jelinek <[email protected]> * include/bits/random.tcc (std::generate_canonical): Use __extension__ before __generate_canonical_{pow2,any} calls with unsigned __int128 template arguments. Diff: --- libstdc++-v3/include/bits/random.tcc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libstdc++-v3/include/bits/random.tcc b/libstdc++-v3/include/bits/random.tcc index 38e8645c88cb..e102e99eeb22 100644 --- a/libstdc++-v3/include/bits/random.tcc +++ b/libstdc++-v3/include/bits/random.tcc @@ -3677,7 +3677,7 @@ namespace __detail { #if defined(__SIZEOF_INT128__) // Accommodate double double or float128. - return __generate_canonical_pow2< + return __extension__ __generate_canonical_pow2< _RealT, unsigned __int128, __d>(__urng); #else static_assert(false, @@ -3694,7 +3694,7 @@ namespace __detail #if defined(__SIZEOF_INT128__) static_assert(__d <= 64, "irregular RNG with float precision >64 is not supported"); - return __generate_canonical_any< + return __extension__ __generate_canonical_any< _RealT, unsigned __int128, __d>(__urng); #else static_assert(false, "irregular RNG with float precision"
