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-rw-r--r--lib/Sema/SemaTemplateInstantiate.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index 71235d9285..f78fe81aa8 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -1223,6 +1223,18 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
for (RecordDecl::decl_iterator Member = Pattern->decls_begin(),
MemberEnd = Pattern->decls_end();
Member != MemberEnd; ++Member) {
+ // Don't instantiate members not belonging in this semantic context.
+ // e.g. for:
+ // @code
+ // template <int i> class A {
+ // class B *g;
+ // };
+ // @endcode
+ // 'class B' has the template as lexical context but semantically it is
+ // introduced in namespace scope.
+ if ((*Member)->getDeclContext() != Pattern)
+ continue;
+
Decl *NewMember = SubstDecl(*Member, Instantiation, TemplateArgs);
if (NewMember) {
if (FieldDecl *Field = dyn_cast<FieldDecl>(NewMember))