[llvm-commits] [llvm] r101897 - /llvm/trunk/lib/Analysis/IPA/CallGraph.cpp

[Benjamin Kramer]

Author: d0k
Date: Tue Apr 20 07:16:50 2010
New Revision: 101897

URL: http://llvm.org/viewvc/llvm-project?rev=101897&view=rev
Log:
PR6880: Don't dereference CallsExternalNode if it's NULL.

Modified:
    llvm/trunk/lib/Analysis/IPA/CallGraph.cpp

Modified: llvm/trunk/lib/Analysis/IPA/CallGraph.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/IPA/CallGraph.cpp?rev=101897&r1=101896&r2=101897&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/IPA/CallGraph.cpp (original)
+++ llvm/trunk/lib/Analysis/IPA/CallGraph.cpp Tue Apr 20 07:16:50 2010
@@ -158,9 +158,11 @@
   // destroy - Release memory for the call graph
   virtual void destroy() {
     /// CallsExternalNode is not in the function map, delete it explicitly.
-    CallsExternalNode->allReferencesDropped();
-    delete CallsExternalNode;
-    CallsExternalNode = 0;
+    if (CallsExternalNode) {
+      CallsExternalNode->allReferencesDropped();
+      delete CallsExternalNode;
+      CallsExternalNode = 0;
+    }
     CallGraph::destroy();
   }
 };