From e133e7d85268d9a4c76ec69954f86f602a9724bb Mon Sep 17 00:00:00 2001
From: "Vikram S. Adve" <vadve@cs.uiuc.edu>
Date: Wed, 2 Jul 2003 01:25:44 +0000
Subject: [PATCH] Leak fix: delete old objects before reallocation in an
 assignment operator!

llvm-svn: 7055
---
 include/llvm/CodeGen/MachineInstr.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 721b513c747..9bc59f3ff41 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -190,6 +190,8 @@ public:
   }
   
   const MachineOperand &operator=(const MachineOperand &MO) {
+    if (isExternalSymbol())             // if old operand had a symbol name,
+      delete SymbolName;                // release old memory
     immedVal = MO.immedVal;
     flags    = MO.flags;
     opType   = MO.opType;