[cfe-dev] Miscompiled C++ code? _Unwind_Resume_or_Rethrow

[John McCall]

On Dec 16, 2010, at 2:48 PM, Sean McBride wrote:
> A large open source C++ project I work with has just recently become
> compilable by clang++ (trunk).  It builds with many other compilers on
> many OSes.  However, the result seems broken.  Fully half of the unit
> tests crash when run.  This is not the case elsewhere.  
> 
> The backtrace (on Mac OS BTW) always shows one or more threads in
> _Unwind_Resume_or_Rethrow, and one of those threads is the one that's crashed.
> 
> Is that a clue?  Assuming yes :), any advice on narrowing this down?

This could be one of several different things;  it is probably at least
related to PR8098, if not necessarily a dupe.

John.