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libcxx: update to LLVM 18

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release/18.x branch, commit 78b99c73ee4b96fe9ce0e294d4632326afb2db42

This adds the flag `-D_LIBCPP_HARDENING_MODE` which is determined based
on the Zig optimization mode.

This commit also fixes libunwind, libcxx, and libcxxabi to properly
report sub compilation errors.
This commit is contained in:
Andrew Kelley
2024-04-26 15:33:29 -07:00
parent bc6ebc6f25
commit 06ee65af9e
902 changed files with 80977 additions and 107576 deletions
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20
lib/libcxx/src/filesystem/filesystem_clock.cpp vendored
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@@ -16,21 +16,21 @@
#endif
#if defined(_LIBCPP_WIN32API)
# define WIN32_LEAN_AND_MEAN
# define NOMINMAX
# include <windows.h>
# define WIN32_LEAN_AND_MEAN
# define NOMINMAX
# include <windows.h>
#endif
#if __has_include(<unistd.h>)
# include <unistd.h> // _POSIX_TIMERS
# include <unistd.h> // _POSIX_TIMERS
#endif
#if __has_include(<sys/time.h>)
# include <sys/time.h> // for gettimeofday and timeval
# include <sys/time.h> // for gettimeofday and timeval
#endif
#if defined(__APPLE__) || defined (__gnu_hurd__) || (defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0)
# define _LIBCPP_HAS_CLOCK_GETTIME
#if defined(__APPLE__) || defined(__gnu_hurd__) || (defined(_POSIX_TIMERS) && _POSIX_TIMERS > 0)
# define _LIBCPP_HAS_CLOCK_GETTIME
#endif
_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
@@ -44,15 +44,13 @@ _FilesystemClock::time_point _FilesystemClock::now() noexcept {
FILETIME time;
GetSystemTimeAsFileTime(&time);
detail::TimeSpec tp = detail::filetime_to_timespec(time);
return time_point(__secs(tp.tv_sec) +
chrono::duration_cast<duration>(__nsecs(tp.tv_nsec)));
return time_point(__secs(tp.tv_sec) + chrono::duration_cast<duration>(__nsecs(tp.tv_nsec)));
#elif defined(_LIBCPP_HAS_CLOCK_GETTIME)
typedef chrono::duration<rep, nano> __nsecs;
struct timespec tp;
if (0 != clock_gettime(CLOCK_REALTIME, &tp))
__throw_system_error(errno, "clock_gettime(CLOCK_REALTIME) failed");
return time_point(__secs(tp.tv_sec) +
chrono::duration_cast<duration>(__nsecs(tp.tv_nsec)));
return time_point(__secs(tp.tv_sec) + chrono::duration_cast<duration>(__nsecs(tp.tv_nsec)));
#else
typedef chrono::duration<rep, micro> __microsecs;
timeval tv;