Remove prism compiler warning

ruby.c

@@ -2098,27 +2098,6 @@ process_script(ruby_cmdline_options_t *opt)
     return ast_value;
 }
 
-/**
- * Call ruby_opt_init to set up the global state based on the command line
- * options, and then warn if prism is enabled and the experimental warning
- * category is enabled.
- */
-static void
-prism_opt_init(ruby_cmdline_options_t *opt)
-{
-    ruby_opt_init(opt);
-
-    if (rb_warning_category_enabled_p(RB_WARN_CATEGORY_EXPERIMENTAL)) {
-        rb_category_warn(
-            RB_WARN_CATEGORY_EXPERIMENTAL,
-            "The compiler based on the Prism parser is currently experimental "
-            "and compatibility with the compiler based on parse.y is not yet "
-            "complete. Please report any issues you find on the `ruby/prism` "
-            "issue tracker."
-        );
-    }
-}
-
 /**
  * Process the command line options and parse the script into the given result.
  * Raise an error if the script cannot be parsed.
@@ -2147,14 +2126,14 @@ prism_script(ruby_cmdline_options_t *opt, pm_parse_result_t *result)
         pm_options_command_line_set(options, command_line);
         pm_options_filepath_set(options, "-");
 
-        prism_opt_init(opt);
+        ruby_opt_init(opt);
         error = pm_parse_stdin(result);
     }
     else if (opt->e_script) {
         command_line |= PM_OPTIONS_COMMAND_LINE_E;
         pm_options_command_line_set(options, command_line);
 
-        prism_opt_init(opt);
+        ruby_opt_init(opt);
         result->node.coverage_enabled = 0;
         error = pm_parse_string(result, opt->e_script, rb_str_new2("-e"));
     }
@@ -2166,7 +2145,7 @@ prism_script(ruby_cmdline_options_t *opt, pm_parse_result_t *result)
         // line options. We do it in this order so that if the main script fails
         // to load, it doesn't require files required by -r.
         if (NIL_P(error)) {
-            prism_opt_init(opt);
+            ruby_opt_init(opt);
             error = pm_parse_file(result, opt->script_name);
         }
 

test/ruby/test_rubyoptions.rb

@@ -302,11 +302,8 @@ class TestRubyOptions < Test::Unit::TestCase
   end
 
   def test_parser_flag
-    warning = /compiler based on the Prism parser is currently experimental/
-
-    assert_in_out_err(%w(--parser=prism -e) + ["puts :hi"], "", %w(hi), warning)
-    assert_in_out_err(%w(--parser=prism -W:no-experimental -e) + ["puts :hi"], "", %w(hi), [])
-    assert_in_out_err(%w(--parser=prism -W:no-experimental --dump=parsetree -e _=:hi), "", /"hi"/, [])
+    assert_in_out_err(%w(--parser=prism -e) + ["puts :hi"], "", %w(hi), [])
+    assert_in_out_err(%w(--parser=prism --dump=parsetree -e _=:hi), "", /"hi"/, [])
 
     assert_in_out_err(%w(--parser=parse.y -e) + ["puts :hi"], "", %w(hi), [])
     assert_norun_with_rflag('--parser=parse.y', '--version', "")