fix memleaks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62198 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 6f40cae..541a1fe 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -130,6 +130,8 @@
 
     virtual bool doFinalization(Module &M) {
       // Free memory...
+      delete IL;
+      delete TD;
       delete Mang;
       FPConstantMap.clear();
       TypeNames.clear();