Fix undefined behavior: binding null pointer to reference. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161853 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineSSAUpdater.cpp b/lib/CodeGen/MachineSSAUpdater.cpp
index acb1ee6cb6eec32b5c45ecace0e735efc04562a5..076547a5ed8747850be73cab3a4da181d4dadb99 100644 (file)
--- a/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/lib/CodeGen/MachineSSAUpdater.cpp
@@ -42,7 +42,7 @@ MachineSSAUpdater::MachineSSAUpdater(MachineFunction &MF,
 }
 
 MachineSSAUpdater::~MachineSSAUpdater() {
-  delete &getAvailableVals(AV);
+  delete static_cast<AvailableValsTy*>(AV);
 }
 
 /// Initialize - Reset this object to get ready for a new set of SSA