diff --git a/lib/CodeGen/MachineFunctionAnalysis.cpp b/lib/CodeGen/MachineFunctionAnalysis.cpp
index ae9d5a9..56294d9 100644
--- a/lib/CodeGen/MachineFunctionAnalysis.cpp
+++ b/lib/CodeGen/MachineFunctionAnalysis.cpp
@@ -30,6 +30,7 @@
 }
 
 MachineFunctionAnalysis::~MachineFunctionAnalysis() {
+  releaseMemory();
   assert(!MF && "MachineFunctionAnalysis left initialized!");
 }