diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 103c7e1..922d74e 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -8077,7 +8077,8 @@
     // mismatch.
     if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() ||
         LQuals.getAddressSpace() != RQuals.getAddressSpace() ||
-        LQuals.getObjCLifetime() != RQuals.getObjCLifetime())
+        LQuals.getObjCLifetime() != RQuals.getObjCLifetime() ||
+        LQuals.hasUnaligned() != RQuals.hasUnaligned())
       return QualType();
 
     // Exactly one GC qualifier difference is allowed: __strong is