[cfe-dev] recent change broke -fcatch-undefined-behavior

[Jean-Daniel Dupas]

If you want to test with trunk, you have to apply the 2 attached patched.

- clang-ubsan add support to the make toolchain and the driver (Note to Richard: I removed the inclusion of CoreFoundation framework from you previous patch as I think only asan need it and not ubsan).
- librt-ubsan fixes a couple of build issue in compiler-rt.

Le 15 nov. 2012 à 18:37, Jonathan Sauer <jonathan.sauer at gmx.de> a écrit :

> Hello,
> 
>>> Thanks for the prod, I've checked in some pending patches to add OS X
>>> support, in r167888, r167889, and r167890. If you could build
>>> clang_rt.ubsan_osx and let me know whether everything is working as
>>> intended, that'd be great; we can then ask to get those patches pulled
>>> onto the 3.2 branch.
>> 
>> I've rebuilt clang r167897 and still get link errors, ex:
>> 
>> Undefined symbols for architecture x86_64:
>> "___ubsan_handle_shift_out_of_bounds", referenced from:
> 
> I found that currently (i.e. as of last Monday) "make install" doesn't seem to copy
> the ubsan runtime libraries into clang's runtime library directory as it does for
> asan. Maybe that's the problem.
> 
> 
> HTH,
> Jonathan
> 
> 
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-- Jean-Daniel



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