c++: add operator| for WMB_Flags

There are a lot of uses of | on WMB_Flags, that currently need to then be
cast back to WMB_Flags.  Let's avoid the need for that.

gcc/cp/ChangeLog:

	* name-lookup.h (operator|, operator|=): Define for WMB_Flags.

diff --git a/gcc/cp/name-lookup.h b/gcc/cp/name-lookup.h
index 4216a515afad6d4f74db62f5c1e91d518be465ac..2fa736bd04695b900b9bf8ec220418da774877a8 100644 (file)
--- a/gcc/cp/name-lookup.h
+++ b/gcc/cp/name-lookup.h
@@ -501,6 +501,10 @@ enum WMB_Flags
   WMB_Hidden = 1 << 3,
   WMB_Purview = 1 << 4,
 };
+inline WMB_Flags operator|(WMB_Flags x, WMB_Flags y)
+{ return WMB_Flags(+x|y); }
+inline WMB_Flags& operator|=(WMB_Flags& x, WMB_Flags y)
+{ return x = x|y; }
 
 extern unsigned walk_module_binding (tree binding, bitmap partitions,
                                     bool (*)(tree decl, WMB_Flags, void *data),