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From: Jonathan Wakely <redi@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r13-4871] libstdc++: Remove problematic static_assert from src/c++20/tzdb.cc Date: Fri, 23 Dec 2022 09:44:07 +0000 (GMT) [thread overview] Message-ID: <20221223094407.8F25C3858D1E@sourceware.org> (raw) https://gcc.gnu.org/g:db3c5831f80e674b9ee77c1e9ca8364a72ca5758 commit r13-4871-gdb3c5831f80e674b9ee77c1e9ca8364a72ca5758 Author: Jonathan Wakely <jwakely@redhat.com> Date: Fri Dec 23 09:19:38 2022 +0000 libstdc++: Remove problematic static_assert from src/c++20/tzdb.cc This assertion fails for cris-elf where sizeof(datetime) is only 7, due to lower alignment requirements. The assertion was used while I was writing the code to check that the objects were as compact as I wanted, but it doesn't need to be kept now. libstdc++-v3/ChangeLog: * src/c++20/tzdb.cc: Remove static_assert. Diff: --- libstdc++-v3/src/c++20/tzdb.cc | 1 - 1 file changed, 1 deletion(-) diff --git a/libstdc++-v3/src/c++20/tzdb.cc b/libstdc++-v3/src/c++20/tzdb.cc index a0bb03173a9..a02bcd4aec7 100644 --- a/libstdc++-v3/src/c++20/tzdb.cc +++ b/libstdc++-v3/src/c++20/tzdb.cc @@ -448,7 +448,6 @@ namespace std::chrono // This allows on_day to reuse padding of at_time. // This keeps the size to 8 bytes and the alignment to 4 bytes. struct datetime : at_time { on_day day; }; - static_assert(sizeof(datetime) == 8 && alignof(datetime) == 4); // TODO combining name+letters into a single string (like in ZoneInfo) // would save sizeof(string) and make Rule fit in a single cacheline.
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