[llvm-dev] [RFC] migrating past C++11

Krzysztof Parzyszek via llvm-dev llvm-dev at lists.llvm.org
Thu Jan 24 10:58:13 PST 2019

On 1/23/2019 9:36 AM, James Y Knight wrote:
> I'd expect that either we'll either workaround the issues (e.g. not 
> start using the broken feature), or else propose to require even newer 
> versions. And as now, discuss the expected tradeoff between new features 
> and requiring new compiler versions.

I don't know how well requiring newer versions upon discovery of a 
problem is going to work in practice. Given the cost that upgrading a 
production compiler can have, this may be met with resistance (although 
would be the best option from our point of view).

My question remains:
What level of confidence do we have that the C++14 support in the 
proposed compilers is actually sufficient for clang/llvm?  Do we have 
any anecdotal evidence that they have been used in actual projects with 


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