From 3bdad6923eae8ce356ce9392e96707064fdf1bc3 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 15 Nov 2004 21:55:33 +0000
Subject: [PATCH] Make *SURE* to null out the pointer before throwing an
 exception, otherwise the dtor for the BytecodeReader class will try to free
 it again!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17856 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Bytecode/Reader/Reader.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/Bytecode/Reader/Reader.cpp b/lib/Bytecode/Reader/Reader.cpp
index 65d4c1c15d7..6743bc8da0b 100644
--- a/lib/Bytecode/Reader/Reader.cpp
+++ b/lib/Bytecode/Reader/Reader.cpp
@@ -2240,8 +2240,10 @@ void BytecodeReader::ParseBytecode(BufPtr Buf, unsigned Length,
     freeState();
     delete TheModule;
     TheModule = 0;
-    if (decompressedBlock != 0 )
+    if (decompressedBlock != 0 ) {
       ::free(decompressedBlock);
+      decompressedBlock = 0;
+    }
     throw;
   } catch (...) {
     std::string msg("Unknown Exception Occurred");
@@ -2249,8 +2251,10 @@ void BytecodeReader::ParseBytecode(BufPtr Buf, unsigned Length,
     freeState();
     delete TheModule;
     TheModule = 0;
-    if (decompressedBlock != 0 )
+    if (decompressedBlock != 0) {
       ::free(decompressedBlock);
+      decompressedBlock = 0;
+    }
     throw msg;
   }
 }