[ORC] In RTDyldObjectLinkingLayer, only call NotifyFreed if the object file

has been finalized.

This prevents crashes on unfinalized objects for clients using
JITEventListeners.

Patch by Geoff Levner. Thanks Geoff!

llvm-svn: 342783

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h b/llvm/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h
index 532c8337ec3..2376f36d38d 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h
@@ -203,7 +203,7 @@ private:
     }
 
     ~ConcreteLinkedObject() override {
-      if (this->Parent.NotifyFreed)
+      if (this->Parent.NotifyFreed && ObjForNotify.getBinary())
         this->Parent.NotifyFreed(K, *ObjForNotify.getBinary());
 
       MemMgr->deregisterEHFrames();