PR26048, PR26050: put non-type template parameters and indirect field decls

into IDNS_Tag in C++, because they conflict with redeclarations of tags. (This
doesn't affect elaborated-type-specifier lookup, which looks for IDNS_Type in
C++).

llvm-svn: 256985

1 files changed, 6 insertions, 1 deletions

diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index 16394e865eb..72587e388e4 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -569,7 +569,6 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
     case Var:
     case ImplicitParam:
     case ParmVar:
-    case NonTypeTemplateParm:
     case ObjCMethod:
     case ObjCProperty:
     case MSProperty:
@@ -579,6 +578,12 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
     case IndirectField:
       return IDNS_Ordinary | IDNS_Member;
 
+    case NonTypeTemplateParm:
+      // Non-type template parameters are not found by lookups that ignore
+      // non-types, but they are found by redeclaration lookups for tag types,
+      // so we include them in the tag namespace.
+      return IDNS_Ordinary | IDNS_Tag;
+
     case ObjCCompatibleAlias:
     case ObjCInterface:
       return IDNS_Ordinary | IDNS_Type;