Index: tools/llvm-pdbutil/PrettyFunctionDumper.cpp
===================================================================
--- tools/llvm-pdbutil/PrettyFunctionDumper.cpp
+++ tools/llvm-pdbutil/PrettyFunctionDumper.cpp
@@ -227,7 +227,7 @@
   // through to the real thing and dump it.
   uint32_t TypeId = Symbol.getTypeId();
   auto Type = Symbol.getSession().getSymbolById(TypeId);
-  if (Type)
+  if (!Type)
     Printer << "<unknown-type>";
   else
     Type->dump(*this);