[dwarfdump] Pretty print DW_AT_APPLE_runtime_class

Instead of printing

  DW_AT_APPLE_runtime_class       (0x10)

we now print

  DW_AT_APPLE_runtime_class       (DW_LANG_ObjC)

llvm-svn: 337011
diff --git a/llvm/test/DebugInfo/X86/objc-property-void.ll b/llvm/test/DebugInfo/X86/objc-property-void.ll
index dc00f65..b29beb4 100644
--- a/llvm/test/DebugInfo/X86/objc-property-void.ll
+++ b/llvm/test/DebugInfo/X86/objc-property-void.ll
@@ -4,6 +4,7 @@
 ; CHECK: DW_TAG_structure_type
 ; CHECK:  DW_AT_APPLE_objc_complete_type
 ; CHECK:  DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "Foo")
+; CHECK   DW_AT_APPLE_runtime_class [DW_FORM_data1]       (DW_LANG_ObjC)
 ; CHECK: DW_TAG_APPLE_property
 ; CHECK:  DW_AT_APPLE_property_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "foo")