[llvm] r269969 - When looking for a spill slot in reg scavenger, find one that matches RC

[Krzysztof Parzyszek via llvm-commits]

On 5/20/2016 1:41 PM, Quentin Colombet wrote:
> My understanding is that for assert builds it will always call abort, so this is an equivalent of assert(false && “…”);
> But we shouldn’t expect more.

Yes, I wasn't really clear.

assert is known to have no effect with NDEBUG. llvm_unreachable, on the 
other hand, will have an unpredictable effect without the benefit of 
presenting the user with any additional information.

I think we should have something like abort("..."), which will do 
exactly that, with the message, regardless of build type.

-Krzysztof


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