Fix dereference of end iterator. Spotted by ASan.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152738 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CallGraph.cpp b/lib/Analysis/CallGraph.cpp
index 1e9aec2..eb3f3ef 100644
--- a/lib/Analysis/CallGraph.cpp
+++ b/lib/Analysis/CallGraph.cpp
@@ -133,7 +133,9 @@
}
CallGraphNode *CallGraph::getNode(const Decl *F) const {
- return FunctionMap.find(F)->second;
+ FunctionMapTy::const_iterator I = FunctionMap.find(F);
+ if (I == FunctionMap.end()) return 0;
+ return I->second;
}
CallGraphNode *CallGraph::getOrInsertFunction(Decl *F) {
