Propagate eq sets through the bu graphs to the cbu and eq graphs, fixing

a crash of the sfv on 188.ammp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21478 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/DataStructure/CompleteBottomUp.cpp

@@ -35,6 +35,7 @@ namespace {
 //
 bool CompleteBUDataStructures::runOnModule(Module &M) {
   BUDataStructures &BU = getAnalysis<BUDataStructures>();
+  GlobalECs = BU.getGlobalECs();
   GlobalsGraph = new DSGraph(BU.getGlobalsGraph(), GlobalECs);
   GlobalsGraph->setPrintAuxCalls();