Apply heuristics to cut back on number of candidate
sets of builtin operators. Currently, it is applied 
to '++' and '->*' operators. I need to apply it to others
as well. Also, heuristics need be applied to 
BuiltinCandidateTypeSet::AddPointerWithMoreQualifiedTypeVariants.
This is WIP.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84187 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed