https://git.ruby-lang.org/ruby.git/commit/?id=44a659ad97

From 44a659ad976221cfec3355e036daeb4e4942db55 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 28 Jun 2020 13:20:40 +0900
Subject: Replace ALT_SEPARATOR with SEPARATOR also in output file name

To suppress warnings by Visual C.
```
./integer.rb(5) : warning C4129: 'i' : unrecognized character escape sequence
./kernel.rb(21) : warning C4129: 'k' : unrecognized character escape sequence
```

diff --git a/tool/mk_builtin_loader.rb b/tool/mk_builtin_loader.rb
index 9d4b640..fbed9fa 100644
--- a/tool/mk_builtin_loader.rb
+++ b/tool/mk_builtin_loader.rb
@@ -212,7 +212,11 @@ def mk_builtin_header file https://github.com/ruby/ruby/blob/trunk/tool/mk_builtin_loader.rb#L212
     f.puts 'struct rb_execution_context_struct; /* in vm_core.h */'
     f.puts
     lineno = 11
-    line_file = file.gsub('\\', '/')
+    line_file = file
+    if File::ALT_SEPARATOR
+      line_file = line_file.tr(File::ALT_SEPARATOR, File::SEPARATOR)
+      ofile = ofile.tr(File::ALT_SEPARATOR, File::SEPARATOR)
+    end
 
     inlines.each{|cfunc_name, (body_lineno, text, params, func_name)|
       if String === cfunc_name
-- 
cgit v0.10.2


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