Fix a regression I caused in r121930. It turns out that

DeclarationNameInfo instances don't always have a non-NULL
TypeSourceInfo?



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121940 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 3 deletions

diff --git a/lib/Sema/SemaTemplateVariadic.cpp b/lib/Sema/SemaTemplateVariadic.cpp
index 2338b5bfbc..07873efdac 100644
--- a/lib/Sema/SemaTemplateVariadic.cpp
+++ b/lib/Sema/SemaTemplateVariadic.cpp
@@ -221,15 +221,19 @@ bool Sema::DiagnoseUnexpandedParameterPack(const DeclarationNameInfo &NameInfo,
   case DeclarationName::CXXConstructorName:
   case DeclarationName::CXXDestructorName:
   case DeclarationName::CXXConversionFunctionName:
-    if (!NameInfo.getNamedTypeInfo()->getType()
-                                          ->containsUnexpandedParameterPack())
+    // FIXME: We shouldn't need this!
+    if (TypeSourceInfo *TSInfo = NameInfo.getNamedTypeInfo())
+      return DiagnoseUnexpandedParameterPack(NameInfo.getLoc(), TSInfo, UPPC);
+
+    if (!NameInfo.getName().getCXXNameType()->containsUnexpandedParameterPack())
       return false;
+
     break;
   }
 
   llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded;
   CollectUnexpandedParameterPacksVisitor(Unexpanded)
-    .TraverseTypeLoc(NameInfo.getNamedTypeInfo()->getTypeLoc());
+    .TraverseType(NameInfo.getName().getCXXNameType());
   assert(!Unexpanded.empty() && "Unable to find unexpanded parameter packs");
   DiagnoseUnexpandedParameterPacks(*this, NameInfo.getLoc(), UPPC, Unexpanded);
   return true;