Make sure that we destroy the MBB's, with all of their instructions, before

any other data structures

llvm-svn: 14524

llvm/lib/CodeGen/MachineFunction.cpp

@@ -115,6 +115,7 @@ MachineFunction::MachineFunction(const Function *F,
 }
 
 MachineFunction::~MachineFunction() { 
+  BasicBlocks.clear();
   delete SSARegMapping;
   delete MFInfo;
   delete FrameInfo;