[PATCH] [ADT][CMake][AutoConf] fail-fast iterators for DenseMap

[Sanjoy Das]

> Are there any more places we should be documenting this check? http://llvm.org/docs/ReleaseProcess.html or http://lldb.llvm.org/build.html? I know that Chromium for example uses a Release+Asserts build of Clang. This might be too much overhead for them.

That's a good idea.  Do you think it is reasonable to have a blurb
about this in the LLVM Programmer’s Manual also?



>
> LLDB for example might want to have a check like:
>
>   if (NOT LLVM_FAIL_FAST_ITERATORS STREQUAL "FORCE_OFF")
>     message(FATAL_ERROR "LLDB requires a stable LLVM ABI, set LLVM_FAIL_FAST_ITERATORS to FORCE_OFF")
>   endif()
>
>
> http://reviews.llvm.org/D8351
>
> EMAIL PREFERENCES
>   http://reviews.llvm.org/settings/panel/emailpreferences/
>
>