From 72c96011ea9251e1f2bf9e4fc1edfd1a9e9f1a56 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 11 Oct 2017 05:34:24 +0000
Subject: [PATCH] parse.y: token info with BOM

* parse.y (parser_prepare): set token_info_enabled flag first,
  before returning at BOM.  [ruby-dev:50288] [Bug #13998]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y                       |  2 +-
 test/ruby/test_rubyoptions.rb | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/parse.y b/parse.y
index 678e7575c3..94b268bfb9 100644
--- a/parse.y
+++ b/parse.y
@@ -7148,6 +7148,7 @@ static void
 parser_prepare(struct parser_params *parser)
 {
     int c = nextc();
+    parser->token_info_enabled = !compile_for_eval && RTEST(ruby_verbose);
     switch (c) {
       case '#':
 	if (peek('!')) parser->has_shebang = 1;
@@ -7167,7 +7168,6 @@ parser_prepare(struct parser_params *parser)
     }
     pushback(c);
     parser->enc = rb_enc_get(lex_lastline);
-    parser->token_info_enabled = !compile_for_eval && RTEST(ruby_verbose);
 }
 
 #ifndef RIPPER
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 6b598162d8..f927af2f2d 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -450,6 +450,17 @@ class TestRubyOptions < Test::Unit::TestCase
             t.flush
             assert_in_out_err(["-w", t.path], "", [], [], '[ruby-core:25442]')
           end
+
+          a.for("BOM with #{b}") do
+            err = ["#{t.path}:2: warning: mismatched indentations at '#{e}' with '#{k}' at 1"]
+            t.rewind
+            t.truncate(0)
+            t.print "\u{feff}"
+            t.puts src
+            t.flush
+            assert_in_out_err(["-w", t.path], "", [], err)
+            assert_in_out_err(["-wr", t.path, "-e", ""], "", [], err)
+          end
         end
       end
     end