gcc/testsuite/gcc.dg/spellcheck-identifiers-2.c

   1 /* PR c/71858 */
   2 /* Make sure anticipated builtins are not considered before they are declared.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wimplicit-function-declaration -fdiagnostics-show-caret" } */
   5
   6 int sscafn (const char *, const char *, ...);
   7
   8 int
   9 test_1 (const char *p)
  10 {
  11   int i;
  12   return ssacnf (p, "%d", &i); /* { dg-warning "10: implicit declaration of function .ssacnf.; did you mean .sscafn.?" } */
  13   /* { dg-begin-multiline-output "" }
  14    return ssacnf (p, "%d", &i);
  15           ^~~~~~
  16           sscafn
  17    { dg-end-multiline-output "" } */
  18 }
  19
  20 int scafn (const char *, ...);
  21 int scanf (const char *, ...);
  22
  23 int
  24 test_2 (void)
  25 {
  26   int i;
  27   return sacnf ("%d", &i); /* { dg-warning "10: implicit declaration of function .sacnf.; did you mean .scanf.?" } */
  28   /* { dg-begin-multiline-output "" }
  29    return sacnf ("%d", &i);
  30           ^~~~~
  31           scanf
  32    { dg-end-multiline-output "" } */
  33 }