From 607aa11711a7975540e1d71c2616ae5533feb35a Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 23 Mar 2021 17:20:19 +0900
Subject: [PATCH] Ignore useless separators preceding a file encoding comment

---
 parse.y                 | 1 +
 test/ruby/test_parse.rb | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/parse.y b/parse.y
index e24d26e6e1..909a4ec3b1 100644
--- a/parse.y
+++ b/parse.y
@@ -8274,6 +8274,7 @@ set_file_encoding(struct parser_params *p, const char *str, const char *send)
 	    continue;
 	}
 	if (STRNCASECMP(str-6, "coding", 6) == 0) break;
+	sep = 0;
     }
     for (;;) {
 	do {
diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 3f2deabedd..493042ef67 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -692,6 +692,14 @@ x = __ENCODING__
 x = __ENCODING__
       END
     end
+
+    assert_nothing_raised do
+      eval <<-END, nil, __FILE__, __LINE__+1
+# xxxx : coding sjis
+x = __ENCODING__
+      END
+    end
+    assert_equal(__ENCODING__, x)
   end
 
   def test_utf8_bom