Pretty up the wrong-number-of-arguments-for-attribute diagnostic by
using a custom plural form.  Split out the range diagnostics as their
own message.

llvm-svn: 126840
diff --git a/clang/test/Sema/attr-nodebug.c b/clang/test/Sema/attr-nodebug.c
index 6865de0..a66e961 100644
--- a/clang/test/Sema/attr-nodebug.c
+++ b/clang/test/Sema/attr-nodebug.c
@@ -4,5 +4,5 @@
 
 void t1() __attribute__((nodebug));
 
-void t2() __attribute__((nodebug(2))); // expected-error {{attribute requires 0 argument(s)}}
+void t2() __attribute__((nodebug(2))); // expected-error {{attribute takes no arguments}}