[Orc] Turn OrcX86_64::IndirectStubsInfo into a template helper class:
GenericIndirectStubsInfo.

This will allow architecture support classes for other architectures to re-use
this code.

llvm-svn: 259549
diff --git a/llvm/lib/ExecutionEngine/Orc/OrcArchitectureSupport.cpp b/llvm/lib/ExecutionEngine/Orc/OrcArchitectureSupport.cpp
index 01e829f..35cb295 100644
--- a/llvm/lib/ExecutionEngine/Orc/OrcArchitectureSupport.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/OrcArchitectureSupport.cpp
@@ -161,8 +161,7 @@
   for (unsigned I = 0; I < NumStubs; ++I)
     Ptr[I] = InitialPtrVal;
 
-  StubsInfo.NumStubs = NumStubs;
-  StubsInfo.StubsMem = std::move(StubsMem);
+  StubsInfo = IndirectStubsInfo(NumStubs, std::move(StubsMem));
 
   return std::error_code();
 }