PR18234: Mark a tag definition as invalid early if it appears in a

type-specifier in C++. Some checks will assert in this case otherwise (in
particular, the access specifier may be missing if this happens inside a class
definition, due to a violation of an AST invariant).

llvm-svn: 198721

1 files changed, 5 insertions, 4 deletions

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 91b9c6a5880..28f038a69e3 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -11460,14 +11460,15 @@ Decl *Sema::ActOnTemplatedFriendTag(Scope *S, SourceLocation FriendLoc,
       bool Owned = false;
       bool IsDependent = false;
       return ActOnTag(S, TagSpec, TUK_Friend, TagLoc, SS, Name, NameLoc,
-                      Attr, AS_public, 
+                      Attr, AS_public,
                       /*ModulePrivateLoc=*/SourceLocation(),
-                      MultiTemplateParamsArg(), Owned, IsDependent, 
+                      MultiTemplateParamsArg(), Owned, IsDependent,
                       /*ScopedEnumKWLoc=*/SourceLocation(),
                       /*ScopedEnumUsesClassTag=*/false,
-                      /*UnderlyingType=*/TypeResult());          
+                      /*UnderlyingType=*/TypeResult(),
+                      /*IsTypeSpecifier=*/false);
     }
-    
+
     NestedNameSpecifierLoc QualifierLoc = SS.getWithLocInContext(Context);
     ElaboratedTypeKeyword Keyword
       = TypeWithKeyword::getKeywordForTagTypeKind(Kind);