nobu	2018-10-19 22:11:33 +0900 (Fri, 19 Oct 2018)

  New Revision: 65173

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65173

  Log:
    transform_mjit_header.rb: fix up r65169

  Modified files:
    trunk/tool/transform_mjit_header.rb
Index: tool/transform_mjit_header.rb
===================================================================
--- tool/transform_mjit_header.rb	(revision 65172)
+++ tool/transform_mjit_header.rb	(revision 65173)
@@ -228,11 +228,12 @@ if MJITHeader.windows? # transformation https://github.com/ruby/ruby/blob/trunk/tool/transform_mjit_header.rb#L228
 end
 
 macro, code = MJITHeader.separate_macro_and_code(code) # note: this does not work on MinGW
-code_to_check = "#{<<header}#{code}#{macro}" # macro should not affect code again
+code = <<header + code
 #ifdef __GNUC__
 # pragma GCC system_header
 #endif
 header
+code_to_check = "#{code}#{macro}" # macro should not affect code again
 
 if MJITHeader.conflicting_types?(code_to_check, cc, cflags)
   cflags = "#{cflags} -std=c99" # For AIX gcc

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