Fix a problem with double freeing memory. For some reason, CallGraph is not

acting like a normal pass.  :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13318 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index 74a28d818d7e56f253f67610def51d9c789fc2ce..70bf2c496b01ae8202cd17b4a6069e776378c610 100644 (file)
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -126,6 +126,7 @@ void CallGraph::destroy() {
     delete I->second;
   FunctionMap.clear();
   delete CallsExternalNode;
+  CallsExternalNode = 0;
 }
 
 static void WriteToOutput(const CallGraphNode *CGN, std::ostream &o) {