re PR target/80024 (nios2: unclear wording "numeric digits" in diagnostic)

2018-10-27  Sandra Loosemore  <sandra@codesourcery.com>

	PR target/80024

	gcc/
	* config/nios2/nios2.c (nios2_valid_target_attribute_rec): Fix
	error message.

From-SVN: r265561

gcc/ChangeLog

+2018-10-27  Sandra Loosemore  <sandra@codesourcery.com>
+
+	PR target/80024
+	* config/nios2/nios2.c (nios2_valid_target_attribute_rec): Fix
+	error message.
+
 2018-10-26  Tulio Magno Quites Machado Filho  <tuliom@linux.ibm.com>
 
 	* doc/extend.texi (PowerPC builtins): Fix __builtin_unpack_ibm128

gcc/config/nios2/nios2.c

@@ -4264,8 +4264,8 @@ nios2_valid_target_attribute_rec (tree args)
 			    continue;
 			  if (!ISDIGIT (*t))
 			    {			 
-			      error ("`custom-%s=' argument requires "
-				     "numeric digits", N2FPU_NAME (code));
+			      error ("%<custom-%s=%> argument should be "
+				     "a non-negative integer", N2FPU_NAME (code));
 			      return false;
 			    }
 			}