PR35456: Track definedness of variable template specializations separately from
whether they have an initializer.
We cannot distinguish between a declaration of a variable template
specialization and a definition of one that lacks an initializer without this,
and would previously mistake the latter for the former.
llvm-svn: 319605
diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index 41c4fd0..29846b6 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -2029,9 +2029,12 @@
// A variable template specialization (other than a static data member
// template or an explicit specialization) is a declaration until we
// instantiate its initializer.
- if (isa<VarTemplateSpecializationDecl>(this) &&
- getTemplateSpecializationKind() != TSK_ExplicitSpecialization)
- return DeclarationOnly;
+ if (auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(this)) {
+ if (VTSD->getTemplateSpecializationKind() != TSK_ExplicitSpecialization &&
+ !isa<VarTemplatePartialSpecializationDecl>(VTSD) &&
+ !VTSD->IsCompleteDefinition)
+ return DeclarationOnly;
+ }
if (hasExternalStorage())
return DeclarationOnly;