akr	2017-02-22 16:31:25 +0900 (Wed, 22 Feb 2017)

  New Revision: 57684

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57684

  Log:
    refine warning message for binary regexp /.../n.
    
    Reported by Herwin W.  [ruby-core:78592] [Bug #13024]

  Modified files:
    trunk/re.c
    trunk/test/ruby/test_m17n.rb
Index: test/ruby/test_m17n.rb
===================================================================
--- test/ruby/test_m17n.rb	(revision 57683)
+++ test/ruby/test_m17n.rb	(revision 57684)
@@ -465,7 +465,7 @@ class TestM17N < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_m17n.rb#L465
   def test_regexp_ascii_none
     r = /a/n
 
-    assert_warning(%r{regexp match /\.\.\./n against to}) {
+    assert_warning(%r{binary regexp match /\.\.\./n against}) {
       assert_regexp_generic_ascii(r)
     }
 
@@ -474,13 +474,13 @@ class TestM17N < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_m17n.rb#L474
     assert_equal(0, r =~ s("a"))
     assert_equal(0, r =~ u("a"))
     assert_equal(nil, r =~ a("\xc2\xa1"))
-    assert_warning(%r{regexp match /\.\.\./n against to EUC-JP string}) {
+    assert_warning(%r{binary regexp match /\.\.\./n against EUC-JP string}) {
       assert_equal(nil, r =~ e("\xc2\xa1"))
     }
-    assert_warning(%r{regexp match /\.\.\./n against to Windows-31J string}) {
+    assert_warning(%r{binary regexp match /\.\.\./n against Windows-31J string}) {
       assert_equal(nil, r =~ s("\xc2\xa1"))
     }
-    assert_warning(%r{regexp match /\.\.\./n against to UTF-8 string}) {
+    assert_warning(%r{binary regexp match /\.\.\./n against UTF-8 string}) {
       assert_equal(nil, r =~ u("\xc2\xa1"))
     }
 
@@ -725,7 +725,7 @@ class TestM17N < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_m17n.rb#L725
 
   def test_union_1_regexp
     assert_regexp_generic_ascii(Regexp.union(//))
-    assert_warning(%r{regexp match /.../n against to}) {
+    assert_warning(%r{binary regexp match /.../n against}) {
       assert_regexp_generic_ascii(Regexp.union(//n))
     }
     assert_regexp_fixed_eucjp(Regexp.union(//e))
@@ -768,7 +768,7 @@ class TestM17N < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_m17n.rb#L768
   end
 
   def test_dynamic_ascii_regexp
-    assert_warning(%r{regexp match /.../n against to}) {
+    assert_warning(%r{binary regexp match /.../n against}) {
       assert_regexp_generic_ascii(/#{ }/n)
     }
     assert_regexp_fixed_ascii8bit(/#{ }\xc2\xa1/n)
Index: re.c
===================================================================
--- re.c	(revision 57683)
+++ re.c	(revision 57684)
@@ -1410,7 +1410,7 @@ rb_reg_prepare_enc(VALUE re, VALUE str, https://github.com/ruby/ruby/blob/trunk/re.c#L1410
     else if (warn && (RBASIC(re)->flags & REG_ENCODING_NONE) &&
 	enc != rb_ascii8bit_encoding() &&
 	cr != ENC_CODERANGE_7BIT) {
-	rb_warn("regexp match /.../n against to %s string",
+	rb_warn("binary regexp match /.../n against %s string",
 		rb_enc_name(enc));
     }
     return enc;

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