Index: include/lldb/Symbol/Type.h
===================================================================
--- include/lldb/Symbol/Type.h
+++ include/lldb/Symbol/Type.h
@@ -305,7 +305,9 @@
     ClangASTType m_clang_type;
     
     struct Flags {
-        ResolveState    clang_type_resolve_state : 2;
+        // clang_type_resolve_state is a ResolveState enum
+        // using unsigned type here to work around a very noisy gcc warning
+        unsigned        clang_type_resolve_state : 2;
         bool            is_complete_objc_class   : 1;
     } m_flags;