llvm-objdump: Ignore non-objects in archives.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144755 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-objdump/llvm-objdump.cpp b/tools/llvm-objdump/llvm-objdump.cpp
index d7c5492..9071d58 100644
--- a/tools/llvm-objdump/llvm-objdump.cpp
+++ b/tools/llvm-objdump/llvm-objdump.cpp
@@ -556,8 +556,10 @@
                                e = a->end_children(); i != e; ++i) {
     OwningPtr<Binary> child;
     if (error_code ec = i->getAsBinary(child)) {
-      errs() << ToolName << ": '" << a->getFileName() << "': " << ec.message()
-             << ".\n";
+      // Ignore non-object files.
+      if (ec != object_error::invalid_file_type)
+        errs() << ToolName << ": '" << a->getFileName() << "': " << ec.message()
+               << ".\n";
       continue;
     }
     if (ObjectFile *o = dyn_cast<ObjectFile>(child.get()))