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...GCC version you're using? 4.8.4, again packaged from Ubuntu 14.04 LTS, not sure if they include any patches that'd change this behaviour. Ben. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150729/b80cecc2/attachment.html>

On 29 July 2015 at 22:46, Ben Pye <ben at curlybracket.co.uk> wrote: > I certainly understand the issue in using PathScale's libunwind, but the > lack of unw_get_save_loc is somewhat problematic and means that it is > preferable to use the other libunwind within coreclr. Or, you could try to persuade people to implement that in LLVM? There are a lot of Windows folks in LLVM,

> You should also realise that using another libunwind makes matters > more complex, because now it's far less likely that the LLVM's > libunwind folks will be interested in fixing that... I certainly understand the issue in using PathScale's libunwind, but the lack of unw_get_save_loc is somewhat problematic and means that it is preferable to use the other libunwind within