diff -up Clp-releases-1.17.5/Clp/src/ClpSolver.cpp.orig Clp-releases-1.17.5/Clp/src/ClpSolver.cpp
--- Clp-releases-1.17.5/Clp/src/ClpSolver.cpp.orig	2020-02-03 06:32:17.000000000 -0700
+++ Clp-releases-1.17.5/Clp/src/ClpSolver.cpp	2020-02-20 09:48:11.863261899 -0700
@@ -2890,7 +2890,7 @@ clp watson.mps -\nscaling off\nprimalsim
         case CLP_PARAM_ACTION_GUESS:
           if (goodModels[iModel]) {
             delete[] alternativeEnvironment;
-            ClpSimplexOther *model2 = static_cast< ClpSimplexOther * >(models + iModel);
+            ClpSimplexOther *model2 = reinterpret_cast< ClpSimplexOther * >(models + iModel);
             alternativeEnvironment = model2->guess(0);
             if (alternativeEnvironment)
               CbcOrClpEnvironmentIndex = 0;