Instantiate attributes on typedefs. This is a quick fix for PR7148,

when we really need a proper audit of our handling of attributes in
templates.

llvm-svn: 103999

clang/lib/Sema/SemaTemplateInstantiateDecl.cpp

@@ -217,6 +217,7 @@ Decl *TemplateDeclInstantiator::VisitTypedefDecl(TypedefDecl *D) {
     Typedef->setPreviousDeclaration(cast<TypedefDecl>(InstPrev));
   }
 
+  InstantiateAttrs(D, Typedef);
 
   Typedef->setAccess(D->getAccess());
   Owner->addDecl(Typedef);

clang/test/SemaTemplate/instantiate-attr.cpp

@@ -2,6 +2,12 @@
 template <typename T>
 struct A {
   char a __attribute__((aligned(16)));
+
+  struct B {
+    typedef T __attribute__((aligned(16))) i16;
+    i16 x;
+  };
 };
 int a[sizeof(A<int>) == 16 ? 1 : -1];
+int a2[sizeof(A<int>::B) == 16 ? 1 : -1];