gcc/testsuite/gcc.dg/cpp/20000419-1.c

   1 /* Test for erroneous deletion of the entire macro expansion when pruning
   2    \r escapes.  Problem noted by DJ Delorie <dj@delorie.com>; test case
   3    distilled from GNU libc header files.  */
   4 /* { dg-do preprocess } */
   5
   6 #define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
   7 #define __ASMNAME(cname)  __ASMNAME2 (__USER_LABEL_PREFIX__, cname)
   8 #define __ASMNAME2(prefix, cname) __STRING (prefix) cname
   9 #define __STRING(x)    #x
  10
  11 __REDIRECT (a, b, c)
  12 __ASMNAME2 (__USER_LABEL_PREFIX__, harumph)
  13
  14 /* { dg-bogus "used without args" "no args, 1" { target *-*-* } 11 } */
  15 /* { dg-bogus "used without args" "no args, 1" { target *-*-* } 12 } */