Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp.
This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75445 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/CrashDebugger.cpp b/tools/bugpoint/CrashDebugger.cpp
index 9697b34..3084857 100644
--- a/tools/bugpoint/CrashDebugger.cpp
+++ b/tools/bugpoint/CrashDebugger.cpp
@@ -299,7 +299,8 @@
         if (isa<StructType>(BBTerm->getType()))
            BBTerm->replaceAllUsesWith(UndefValue::get(BBTerm->getType()));
         else if (BB->getTerminator()->getType() != Type::VoidTy)
-          BBTerm->replaceAllUsesWith(Constant::getNullValue(BBTerm->getType()));
+          BBTerm->replaceAllUsesWith(
+                               BD.getContext().getNullValue(BBTerm->getType()));
 
         // Replace the old terminator instruction.
         BB->getInstList().pop_back();