[ORC] Pass symbol name to discard by const reference.

This saves some unnecessary atomic ref-counting operations.

llvm-svn: 343927

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp b/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
index 962ae3306fe..0acc5db76f4 100644
--- a/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/IndirectionUtils.cpp
@@ -41,7 +41,7 @@ private:
     R.emit();
   }
 
-  void discard(const JITDylib &JD, SymbolStringPtr Name) override {
+  void discard(const JITDylib &JD, const SymbolStringPtr &Name) override {
     llvm_unreachable("Discard should never occur on a LMU?");
   }