diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 888c771..c11c52f 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -645,7 +645,7 @@
 #ifndef NDEBUG
   void DIEAbbrev::print(std::ostream &O) {
     O << "Abbreviation @"
-      << std::hex << (size_t)this << std::dec
+      << std::hex << (intptr_t)this << std::dec
       << "  "
       << TagString(Tag)
       << " "