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          stdin_parts: [
            ('#include <stdio.h>\n')
            ('#include <mcheck.h>\n')
            ('\n')
            ('/*\n')
            ('  Compile do_test without optimization: GCC 4.9/5.0/6.0 takes a long time\n')
            ('  to build this source. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67396  */\n')
            ('\n')
            ('__attribute__ ((optimize ("-O0")))\n')
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            ('    printf (\n')
          ]
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          stdin_parts: [
            ('\n')
            ('  return 0;\n')
            ('}\n')
            ('\n')
            ('#define TEST_FUNCTION do_test ()\n')
            ('#include "../test-skeleton.c"\n')
            ('\n')
          ]
        )
      ]
    )
  ]
)