Do not print params in --help except --help=param.

	* opts.c (print_help): Exclude params from
	all except --help=param.

gcc/ChangeLog

 2020-01-27  Martin Liska  <mliska@suse.cz>
 
+	* opts.c (print_help): Exclude params from
+	all except --help=param.
+
+2020-01-27  Martin Liska  <mliska@suse.cz>
+
 	PR target/93274
 	* config/i386/i386-features.c (make_resolver_func):
 	Align the code with ppc64 target implementation.

gcc/opts.c

@@ -2140,7 +2140,9 @@ print_help (struct gcc_options *opts, unsigned int lang_mask,
   /* We started using PerFunction/Optimization for parameters and
      a warning.  We should exclude these from optimization options.  */
   if (include_flags & CL_OPTIMIZATION)
-    exclude_flags |= CL_WARNING | CL_PARAMS;
+    exclude_flags |= CL_WARNING;
+  if (!(include_flags & CL_PARAMS))
+    exclude_flags |= CL_PARAMS;
 
   if (include_flags)
     print_specific_help (include_flags, exclude_flags, 0, opts,