Index: llvm/lib/Transforms/Utils/Debugify.cpp
===================================================================
--- llvm/lib/Transforms/Utils/Debugify.cpp
+++ llvm/lib/Transforms/Utils/Debugify.cpp
@@ -596,7 +596,7 @@
   auto DILocsBefore = DIPreservationMap[NameOfWrappedPass].DILocations;
   auto DILocsAfter = DIPreservationAfter[NameOfWrappedPass].DILocations;
 
-  auto InstToDelete = DIPreservationAfter[NameOfWrappedPass].InstToDelete;
+  auto InstToDelete = DIPreservationMap[NameOfWrappedPass].InstToDelete;
 
   auto DIVarsBefore = DIPreservationMap[NameOfWrappedPass].DIVariables;
   auto DIVarsAfter = DIPreservationAfter[NameOfWrappedPass].DIVariables;