Don't forget to apply #pragma pack to partial and explicit specializations of
class templates. This fixes misalignment issues in llvm/Support/Endian.h when
built by Clang.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162074 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index c8e4501..4dbf3e4 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -5518,6 +5518,13 @@
   if (Attr)
     ProcessDeclAttributeList(S, Specialization, Attr);
 
+  // Add alignment attributes if necessary; these attributes are checked when
+  // the ASTContext lays out the structure.
+  if (TUK == TUK_Definition) {
+    AddAlignmentAttributesForRecord(Specialization);
+    AddMsStructLayoutForRecord(Specialization);
+  }
+
   if (ModulePrivateLoc.isValid())
     Diag(Specialization->getLocation(), diag::err_module_private_specialization)
       << (isPartialSpecialization? 1 : 0)