Get rid of Stmt::Clone now that we can reference count statements instead.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78452 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateDeduction.cpp b/lib/Sema/SemaTemplateDeduction.cpp
index 7fb159f..b3d370a 100644
--- a/lib/Sema/SemaTemplateDeduction.cpp
+++ b/lib/Sema/SemaTemplateDeduction.cpp
@@ -328,8 +328,7 @@
   if (Elt == DSAT->getElementType())
     return T;
   
-  // FIXME: Clone expression!
-  return Context.getDependentSizedArrayType(Elt, DSAT->getSizeExpr(),
+  return Context.getDependentSizedArrayType(Elt, DSAT->getSizeExpr()->Retain(),
                                             DSAT->getSizeModifier(), 0,
                                             SourceRange());
 }