Adding support for deregistering EH frames with MCJIT.

Patch by Yaron Keren



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192753 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/MCJIT/MCJIT.h b/lib/ExecutionEngine/MCJIT/MCJIT.h
index fe59288..3932692 100644
--- a/lib/ExecutionEngine/MCJIT/MCJIT.h
+++ b/lib/ExecutionEngine/MCJIT/MCJIT.h
@@ -55,6 +55,12 @@
     ClientMM->registerEHFrames(Addr, LoadAddr, Size);
   }
 
+  virtual void deregisterEHFrames(uint8_t *Addr,
+                                  uint64_t LoadAddr,
+                                  size_t Size) {
+    ClientMM->deregisterEHFrames(Addr, LoadAddr, Size);
+  }
+
   virtual bool finalizeMemory(std::string *ErrMsg = 0) {
     return ClientMM->finalizeMemory(ErrMsg);
   }