C++11 generalized constant expressions: implement checking and diagnostics for
pointer-arithmetic-related undefined behavior and unspecified results. We
continue to fold such values, but now notice they aren't constant expressions.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147659 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed