gcc/testsuite/gcc.dg/cpp/trad/escaped-nl.c


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/* Test escaped newlines at start of macro definition are properly
   skipped (buglet in skip_whitespace () in cpptrad.c).  */

/* { dg-do preprocess } */

#define NUM \
100
#if NUM != 100
# error NUM not defined properly /* { dg-bogus "error" } */
#endif