Some cleanups for the ambiguous derived-to-base conversion checks

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58096 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 5c62a93..fa81f11 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -287,9 +287,10 @@
   // object pointers.
 }
 
-/// Check if the pointer conversion from SrcType to DestType casts away
-/// constness as defined in C++ 5.2.11p8ff. This is used by the cast checkers.
-/// Both arguments must denote pointer types.
+/// CastsAwayConstness - Check if the pointer conversion from SrcType
+/// to DestType casts away constness as defined in C++
+/// 5.2.11p8ff. This is used by the cast checkers.  Both arguments
+/// must denote pointer types.
 bool
 Sema::CastsAwayConstness(QualType SrcType, QualType DestType)
 {