https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114519
Bug ID: 114519
Summary: GCC 14 trunk fails to compile chrono with -fno-char8_t
-std=gnu++20
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: janisozaur+gcc at gmail dot com
Target Milestone: ---
Created attachment 57830
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57830&action=edit
failure log gcc 20240328
Godbolt link:
https://godbolt.org/z/e8GG8znTh
test.cpp:
#include <chrono>
Compilation:
g++ -std=gnu++20 -fno-char8_t
Version:
/home/mijn/workspace/gcc-install-master/bin/g++ --version
g++ (GCC) 14.0.1 20240328 (experimental)
Copyright (C) 2024 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Expected result:
compiles without issues. It compiles correctly with GCC 13
Result:
Full output in the attachment, only the last line quoted below:
/opt/compiler-explorer/gcc-trunk-20240328/include/c++/14.0.1/format:707:58:
error: 'consteval bool std::__unicode::__literal_encoding_is_unicode() [with
_CharT = char]' called in a constant expression
707 | if constexpr (__literal_encoding_is_unicode<_CharT>())
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
Compiler returned: 1
