diff --git a/llvm/lib/Object/SymbolicFile.cpp b/llvm/lib/Object/SymbolicFile.cpp
index 2e7f2cc..3e998a2 100644
--- a/llvm/lib/Object/SymbolicFile.cpp
+++ b/llvm/lib/Object/SymbolicFile.cpp
@@ -52,6 +52,7 @@
   case file_magic::coff_cl_gl_object:
   case file_magic::macho_universal_binary:
   case file_magic::windows_resource:
+  case file_magic::pdb:
     return errorCodeToError(object_error::invalid_file_type);
   case file_magic::elf:
   case file_magic::elf_executable: