[llvm] r342783 - [ORC] In RTDyldObjectLinkingLayer, only call NotifyFreed if the object file

[Lang Hames via llvm-commits]

Author: lhames
Date: Fri Sep 21 15:59:48 2018
New Revision: 342783

URL: http://llvm.org/viewvc/llvm-project?rev=342783&view=rev
Log:
[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!

Modified:
    llvm/trunk/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h

Modified: llvm/trunk/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h?rev=342783&r1=342782&r2=342783&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h (original)
+++ llvm/trunk/include/llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h Fri Sep 21 15:59:48 2018
@@ -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();