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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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8
lib/libcxx/src/support/runtime/stdexcept_default.ipp vendored
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@@ -9,9 +9,8 @@
#include "../../include/refstring.h"
/* For _LIBCPPABI_VERSION */
#if !defined(_LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY) && \
(defined(LIBCXX_BUILDING_LIBCXXABI) || defined(LIBCXXRT))
#include <cxxabi.h>
#if !defined(_LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY) && (defined(LIBCXX_BUILDING_LIBCXXABI) || defined(LIBCXXRT))
# include <cxxabi.h>
#endif
static_assert(sizeof(std::__libcpp_refstring) == sizeof(const char*), "");
@@ -34,8 +33,7 @@ runtime_error::runtime_error(const string& msg) : __imp_(msg.c_str()) {}
runtime_error::runtime_error(const char* msg) : __imp_(msg) {}
runtime_error::runtime_error(const runtime_error& re) noexcept
: __imp_(re.__imp_) {}
runtime_error::runtime_error(const runtime_error& re) noexcept : __imp_(re.__imp_) {}
runtime_error& runtime_error::operator=(const runtime_error& re) noexcept {
__imp_ = re.__imp_;