nobu	2018-02-05 11:02:23 +0900 (Mon, 05 Feb 2018)

  New Revision: 62215

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62215

  Log:
    transform_mjit_header.rb: read/write in binmode
    
    * tool/transform_mjit_header.rb: read and write as ASCII-8BIT to
      make single-byte-optimizable always.

  Modified files:
    trunk/tool/transform_mjit_header.rb
Index: tool/transform_mjit_header.rb
===================================================================
--- tool/transform_mjit_header.rb	(revision 62214)
+++ tool/transform_mjit_header.rb	(revision 62215)
@@ -104,7 +104,7 @@ module MJITHeader https://github.com/ruby/ruby/blob/trunk/tool/transform_mjit_header.rb#L104
 
   def self.write(code, out)
     FileUtils.mkdir_p(File.dirname(out))
-    File.write("#{out}.new", code)
+    File.binwrite("#{out}.new", code)
     FileUtils.mv("#{out}.new", out)
   end
 
@@ -119,7 +119,7 @@ if ARGV.size != 3 https://github.com/ruby/ruby/blob/trunk/tool/transform_mjit_header.rb#L119
 end
 
 cc      = ARGV[0]
-code    = File.read(ARGV[1]) # Current version of the header file.
+code    = File.binread(ARGV[1]) # Current version of the header file.
 outfile = ARGV[2]
 if cc =~ /\Acl(\z| |\.exe)/
   cflags = '-DMJIT_HEADER -Zs'

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