diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 869fedb..2b38718 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -8807,9 +8807,10 @@
     // many points during the parsing of a struct declaration (because
     // the #pragma tokens are effectively skipped over during the
     // parsing of the struct).
-    AddAlignmentAttributesForRecord(RD);
-    
-    AddMsStructLayoutForRecord(RD);
+    if (TUK == TUK_Definition) {
+      AddAlignmentAttributesForRecord(RD);
+      AddMsStructLayoutForRecord(RD);
+    }
   }
 
   if (ModulePrivateLoc.isValid()) {
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index cbfa1ba..c8e4501 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -1064,8 +1064,10 @@
 
   // Add alignment attributes if necessary; these attributes are checked when
   // the ASTContext lays out the structure.
-  AddAlignmentAttributesForRecord(NewClass);
-  AddMsStructLayoutForRecord(NewClass);
+  if (TUK == TUK_Definition) {
+    AddAlignmentAttributesForRecord(NewClass);
+    AddMsStructLayoutForRecord(NewClass);
+  }
 
   ClassTemplateDecl *NewTemplate
     = ClassTemplateDecl::Create(Context, SemanticContext, NameLoc,