r339389 - Fix and recommit r339382 based on solution from RSmith:

[Erich Keane via cfe-commits]

Author: erichkeane
Date: Thu Aug  9 14:18:13 2018
New Revision: 339389

URL: http://llvm.org/viewvc/llvm-project?rev=339389&view=rev
Log:
Fix and recommit r339382 based on solution from RSmith:

As sent on cfe-commits:
 "You need to use "friend TrailingObjects;" here, not 
 "friend class TrailingObjects;", to avoid breaking MSVC 
 (which doesn't implement injected-class-names quite according to spec)."

Modified:
    cfe/trunk/include/clang/Sema/ParsedAttr.h

Modified: cfe/trunk/include/clang/Sema/ParsedAttr.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Sema/ParsedAttr.h?rev=339389&r1=339388&r2=339389&view=diff
==============================================================================
--- cfe/trunk/include/clang/Sema/ParsedAttr.h (original)
+++ cfe/trunk/include/clang/Sema/ParsedAttr.h Thu Aug  9 14:18:13 2018
@@ -118,9 +118,7 @@ class ParsedAttr final
     : private llvm::TrailingObjects<
           ParsedAttr, ArgsUnion, detail::AvailabilityData,
           detail::TypeTagForDatatypeData, ParsedType, detail::PropertyData> {
-  friend class llvm::TrailingObjects<
-      ParsedAttr, ArgsUnion, detail::AvailabilityData,
-      detail::TypeTagForDatatypeData, ParsedType, detail::PropertyData>;
+  friend TrailingObjects;
 
   size_t numTrailingObjects(OverloadToken<ArgsUnion>) const { return NumArgs; }
   size_t numTrailingObjects(OverloadToken<detail::AvailabilityData>) const {