[ownership] Move ownership elimination on the stdlib passed lower aggregate instrs.

Author: gottesmm

lib/SILOptimizer/PassManager/PassPipeline.cpp

@@ -286,13 +286,13 @@ void addFunctionPasses(SILPassPipelinePlan &P,
   // Optimize copies from a temporary (an "l-value") to a destination.
   P.addTempLValueOpt();
 
+  // Split up opaque operations (copy_addr, retain_value, etc.).
+  P.addLowerAggregateInstrs();
+
   // We earlier eliminated ownership if we are not compiling the stdlib. Now
   // handle the stdlib functions.
   P.addNonTransparentFunctionOwnershipModelEliminator();
 
-  // Split up opaque operations (copy_addr, retain_value, etc.).
-  P.addLowerAggregateInstrs();
-
   // Split up operations on stack-allocated aggregates (struct, tuple).
   if (OpLevel == OptimizationLevelKind::HighLevel) {
     P.addEarlySROA();