1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/MC/MCNullStreamer.cpp b/llvm/lib/MC/MCNullStreamer.cpp
index 894eada57d6..2747090bd60 100644
--- a/llvm/lib/MC/MCNullStreamer.cpp
+++ b/llvm/lib/MC/MCNullStreamer.cpp
@@ -64,7 +64,7 @@ namespace {
                           unsigned ByteAlignment) override {}
     void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                unsigned ByteAlignment) override {}
-    void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
+    void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = nullptr,
                       uint64_t Size = 0, unsigned ByteAlignment = 0) override {}
     void EmitTBSSSymbol(const MCSection *Section, MCSymbol *Symbol,
                         uint64_t Size, unsigned ByteAlignment) override {}