Fix potential null dereference in the static analyzer when inlining a call that has already been inlined. Unfortunately I have no test case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153900 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 4 deletions

diff --git a/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp b/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
index 0440ca953a..272f13eb6b 100644
--- a/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
+++ b/lib/StaticAnalyzer/Core/ExprEngineCallAndReturn.cpp
@@ -202,10 +202,11 @@ bool ExprEngine::InlineCall(ExplodedNodeSet &Dst,
       
       CallEnter Loc(CE, CalleeSFC, Pred->getLocationContext());
       bool isNew;
-      ExplodedNode *N = G.getNode(Loc, state, false, &isNew);
-      N->addPredecessor(Pred, G);
-      if (isNew)
-        Engine.getWorkList()->enqueue(N);
+      if (ExplodedNode *N = G.getNode(Loc, state, false, &isNew)) {
+        N->addPredecessor(Pred, G);
+        if (isNew)
+          Engine.getWorkList()->enqueue(N);
+      }
       return true;
     }
   }