Fixed "bug" from #4760, #4760.

Connect.mo; statement: "source := Util.listReduce(Util.listMap(cs, Util.tuple33), DAEUtil.mergeSources);" caused the kernel to run out of memory in large models. 


git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@4786 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Author: Björn Zachrisson

Compiler/Connect.mo

@@ -751,9 +751,12 @@ protected function flowEquations "function: flowEquations
   output list<DAE.Element> outDAEElementLst;
   DAE.Exp sum;
   DAE.ElementSource source;
+  list<DAE.ElementSource> lde;
+  DAE.ElementSource ed;
 algorithm 
   sum := flowSum(cs);
-  source := Util.listReduce(Util.listMap(cs, Util.tuple33), DAEUtil.mergeSources);
+  (ed::lde) := Util.listMap(cs, Util.tuple33);
+  source := Util.listFold(lde, DAEUtil.mergeSources,ed);
   outDAEElementLst := {DAE.EQUATION(sum, DAE.RCONST(0.0), source)};
 end flowEquations;