Don't return a pointer to an UnresolvedSetImpl in the CXXRecordDecl interface,
expose only the iterators instead.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168770 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 3b2da04..de9a9ba 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -2037,9 +2037,11 @@
       SmallVector<CXXConversionDecl*, 4> ObjectPtrConversions;
 
       CXXRecordDecl *RD = cast<CXXRecordDecl>(Record->getDecl());
-      const UnresolvedSetImpl *Conversions = RD->getVisibleConversionFunctions();
-      for (UnresolvedSetImpl::iterator I = Conversions->begin(),
-             E = Conversions->end(); I != E; ++I) {
+      std::pair<CXXRecordDecl::conversion_iterator,
+                CXXRecordDecl::conversion_iterator>
+        Conversions = RD->getVisibleConversionFunctions();
+      for (CXXRecordDecl::conversion_iterator
+             I = Conversions.first, E = Conversions.second; I != E; ++I) {
         NamedDecl *D = I.getDecl();
         if (isa<UsingShadowDecl>(D))
           D = cast<UsingShadowDecl>(D)->getTargetDecl();