Fix typo in a warning related to flatten.

	PR ipa/94363
	* cgraphunit.c (process_function_and_variable_attributes): Remove
	double 'attribute' words.

gcc/ChangeLog

+2020-03-29  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/94363
+	* cgraphunit.c (process_function_and_variable_attributes): Remove
+	double 'attribute' words.
+
 2020-03-29  John David Anglin  <dave.anglin@bell.net>
 
 	* gcc/config/pa/pa.c (pa_asm_output_aligned_bss): Delete duplicate

gcc/cgraphunit.c

@@ -856,8 +856,7 @@ process_function_and_variable_attributes (cgraph_node *first,
 	  && lookup_attribute ("flatten", DECL_ATTRIBUTES (decl)))
 	{
 	  warning_at (DECL_SOURCE_LOCATION (node->decl), OPT_Wattributes,
-		      "%<flatten%>"
-		      " attribute attribute is ignored on aliases");
+		      "%<flatten%> attribute is ignored on aliases");
 	}
       if (DECL_PRESERVE_P (decl))
 	node->mark_force_output ();