[PPC] Silence unused variable warning in release builds. NFC.

diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 8b01d77..460ddd2 100644 (file)
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -6709,6 +6709,7 @@ SDValue PPCTargetLowering::LowerFormalArguments_AIX(
       // ValNo of the custom MemLoc, so we can compare it to the ValNo of the
       // matching custom RegLocs.
       const unsigned OriginalValNo = VA.getValNo();
+      (void)OriginalValNo;
 
       auto HandleCustomVecRegLoc = [&]() {
         assert(I != End && ArgLocs[I].isRegLoc() && ArgLocs[I].needsCustom() &&