k0kubun	2018-02-07 23:25:03 +0900 (Wed, 07 Feb 2018)

  New Revision: 62290

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62290

  Log:
    transform_mjit_header.rb: very verbose error log
    
    for debugging AIX..... I have no idea why AIX's gcc is failing to
    transform MJIT header....
    
    Today's CI output:
    https://rubyci.org/logs/rubyci.s3.amazonaws.com/aix71_ppc/ruby-trunk/log/20180207T113303Z.log.html.gz#make

  Modified files:
    trunk/tool/transform_mjit_header.rb
Index: tool/transform_mjit_header.rb
===================================================================
--- tool/transform_mjit_header.rb	(revision 62289)
+++ tool/transform_mjit_header.rb	(revision 62290)
@@ -93,10 +93,12 @@ module MJITHeader https://github.com/ruby/ruby/blob/trunk/tool/transform_mjit_header.rb#L93
         out = IO.popen(cmd, err: [:child, :out], &:read)
         STDERR.puts "error in #{stage} header file:\n#{out}"
 
-        if match = out.match(/error: conflicting types for '(?<name>[^']+)'/)
-          unless (related_lines = code.lines.grep(/#{match[:name]}/)).empty?
-            STDERR.puts "possibly related lines:\n#{related_lines.join("\n")}"
-          end
+        if match = out.match(/error: conflicting types for '[^']+'/)
+          STDERR.puts "\nDumping information for debugging:\n"\
+            "[ORIGINAL_HEADER_BEGIN]-----------------\n#{File.binread(ARGV[1])}\n"\
+            "[ORIGINAL_HEADER_END]-----------------\n\n"\
+            "[TRANSFORMED_HEADER_BEGIN]-----------------\n#{code}\n"\
+            "[TRANSFORMED_HEADER_END]-----------------\n"
         end
         exit false
       end

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