gcc/testsuite/gcc.dg/dg-test-1.c

   1 /* Test relative line number specification extensions over what DejaGNU supports.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wunused-parameter" } */
   4
   5 void
   6 foo (void)
   7 {                       /* { dg-error "'a' undeclared" "err1" { target *-*-* } .+1 } */
   8   int z = a + b + c + d;/* { dg-error "'b' undeclared" "err2" } */
   9 }                       /* { dg-error "'c' undeclared" "err3" { target *-*-* } .-1 } */
  10
  11
  12 /* { dg-error "'d' undeclared" "err4" { target *-*-* } .-4 } */
  13 /* { dg-warning "unused parameter 'e'" "warn1" { target *-*-* } .+3 } */
  14
  15 void                            /* { dg-warning "unused parameter 'f'" "warn2" { target *-*-* } .+1 } */
  16 bar (int e, int f, int g, int h)/* { dg-warning "unused parameter 'g'" "warn3" } */
  17 {                               /* { dg-warning "unused parameter 'h'" "warn4" { target *-*-* } .-1 } */
  18 }
  19
  20
  21 /* Ensure that relative line numbers with more than one digit are supported.  */
  22 /* { dg-warning "unused parameter 'i'" "warn5" { target *-*-* } .+10 } */
  23
  24
  25
  26
  27
  28
  29
  30
  31 void
  32 baz (int i, int j)
  33 {
  34 }
  35
  36
  37
  38
  39
  40
  41
  42 /* { dg-warning "unused parameter 'j'" "warn6" { target *-*-* } .-10 } */