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### Description / Steps to reproduce the issue
I've identified a couple of issues when using LLVM libcxx and userspace applications. This is reproducible on `rv-virt:knsh` with the addition of:
``…
g2gps updated
2 weeks ago
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It'd be great if libcxx could be updated to a more recent upstream. The latest release is 3 years old at this point and it'd be great to have some of the new features (especially for cross-platform pr…
glebm updated
1 month ago
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building with the latest msvc 1914 with clang tools,
configure as shown in the docs
```
cmake -G Ninja -S runtimes -B build -DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl -DLLVM_ENABL…
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首先use_custom_libcxx=false表示用系统的c++库,链接的通常按操作系统的默认设定:posix系统中,linux往往使用libstdc++,其它往往用libc++,它俩名字空间不一样,以unique_ptr为例,前者为`std::unique_ptr`,后者为`std::__1::unique_ptr`。这个至少我测试了9.4.146.24、10.6.194、11.8.172均…
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This is a long-standing problem. Upstream libcxx generally only supports the last two released clang versions (during development), meaning libcxx 18 only officially supports clang 16 & 17 (and of cou…
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**Describe the bug**
With LLVM/Clang/libcxx 19.1.0 on Gentoo Linux, POCO fails to compile with the following error:
```
In file included from /var/tmp/portage/dev-libs/poco-1.13.3/work/poco-poco-…
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I've been running several tests involving sharing `std::shared_ptr` and `std::weak_ptr` objects under thread sanitizer. I've been getting a bunch of race condition reports. The code under test shares …
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I don't know if this is supposed to be in a different extension or not, but it appears that this extension does not build `libc++.so.1`, which would be enabled via `-DLLVM_ENABLE_RUNTIMES="libcxx;libc…
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This isn't necessary for WebGHC, but it's a nice-to-have that might kind of low hanging fruit. LLVM's `libcxx` does not currently build under the cross nixpkgs.
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```
FAIL: llvm-libc++-shared.cfg.in :: std/time/time.zone/time.zone.timezone/time.zone.members/sys_info.zdump.pass.cpp (8335 of 9747)
******************** TEST 'llvm-libc++-shared.cfg.in :: std/time…