[Orc] Fix werror for unused variable in noasserts build

diff --git a/llvm/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h b/llvm/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h
index f35fc6d..b255ddd 100644 (file)
--- a/llvm/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h
@@ -408,7 +408,9 @@ public:
         return errorCodeToError(EC);
 
       char *SlabAddr = static_cast<char *>(HostAllocation.base());
+#ifndef NDEBUG
       char *SlabAddrEnd = SlabAddr + HostAllocation.allocatedSize();
+#endif
 
       // Allocate segment memory from the slab.
       for (auto &KV : Request) {