Fix assert on temporary std::initializer_list.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182615 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index b974e1d..f8b19d6 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -1159,12 +1159,13 @@
   if (E->hadArrayRangeDesignator())
     CGF.ErrorUnsupported(E, "GNU array range designator extension");
 
+  AggValueSlot Dest = EnsureSlot(E->getType());
+
   if (E->initializesStdInitializerList()) {
     EmitStdInitializerList(Dest.getAddr(), E);
     return;
   }
 
-  AggValueSlot Dest = EnsureSlot(E->getType());
   LValue DestLV = CGF.MakeAddrLValue(Dest.getAddr(), E->getType(),
                                      Dest.getAlignment());