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
diff --git a/test/SemaCXX/builtin-ptrtomember-overload.cpp b/test/SemaCXX/builtin-ptrtomember-overload.cpp
index 718e981..ed52d47 100644
--- a/test/SemaCXX/builtin-ptrtomember-overload.cpp
+++ b/test/SemaCXX/builtin-ptrtomember-overload.cpp
@@ -16,3 +16,15 @@
 	int i = b->*pmf;
 }
 
+struct D {
+ operator const D *();
+};
+
+struct DPtr {
+ operator volatile int D::*();
+};
+
+int test(D d, DPtr dptr) {
+ return d->*dptr;
+}
+