gcc/testsuite/gcc.dg/cpp/inc/pr20348.h


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#ifndef MIDDLE
# ifndef INC_PR20348_H_SEEN
#  define INC_PR20348_H_SEEN
# else
#  error inc/pr20348.h included twice before MIDDLE definition
# endif
#else
# error inc/pr20348.h included after MIDDLE definition
#endif