[cfe-dev] [libc++]

[Mehdi Amini via cfe-dev]

Hi,

There use to be known UBSAN failures in libc++, they have been fixed as of now AFAIK (most in 3.9).

Best,

— 
Mehdi

> On Feb 13, 2017, at 6:56 AM, Tobias Markus via cfe-dev <cfe-dev at lists.llvm.org> wrote:
> 
> Hi,
> 
> compiling a C++ application with UBSan enabled, I get a couple of
> alignment-related errors from UBSan on std::map-related functions. The
> map is of type std::map<int, std::function<void()>>.
> 
> Relevant messages: https://gist.github.com/hesiod/3f978eace168609af37a2
> 1ca26e7adc0
> 
> This occured with libc++ 3.8.0 and clang/llvm 3.9.1 on Arch Linux.
> 
> Tobias
> 
> PS: Please make sure to include me in all replies since I am not
> subscribed to cfe-dev.
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