[LLVMdev] [PATCH] AddressSanitizer: emit the unwind tables for the runtime library.

[Alexander Potapenko]

(see http://code.google.com/p/address-sanitizer/issues/detail?id=23)
In order for exceptions to work correctly, it should be possible to
unwind through the functions wrapped by ASan RTL (in particular,
__cxa_throw())
Because we intentionally build the runtime with -fno-exceptions, we
need at least the unwind tables to support _Unwind_Backtrace().

-- 
Alexander Potapenko
Software Engineer
Google Moscow
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