Fix unused variable warning for non-assert builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367482 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 72792c8b3d54d2ac9c6e46eb88c5a833ecb41da4..5ca49e1b6b71ee283d1881708aba1a5d2a367668 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -580,6 +580,7 @@ static void collectCallSiteParameters(const MachineInstr *CallMI,
   for (auto ArgReg : CallFwdRegsInfo->second) {
     bool InsertedReg = ForwardedRegWorklist.insert(ArgReg.Reg).second;
     assert(InsertedReg && "Single register used to forward two arguments?");
+    (void)InsertedReg;
   }
 
   // We erase, from the ForwardedRegWorklist, those forwarding registers for