gcc/testsuite/c-c++-common/Wunused-local-typedefs.c

   1 /*  Origin PR c++/33255
   2     { dg-options "-Wunused-local-typedefs" }
   3     { dg-do compile }
   4 */
   5
   6 void
   7 test_warn ()
   8 {
   9   typedef int foo; // { dg-warning "locally defined but not used" }
  10 }
  11
  12 void
  13 test0 ()
  14 {
  15     typedef int foo;
  16     foo var __attribute__((unused));
  17 }
  18
  19 void
  20 test1 ()
  21 {
  22     typedef int foo;
  23     const foo *var = 0;
  24 }
  25
  26 void
  27 test2 ()
  28 {
  29   typedef int foo;
  30   void func(foo);
  31 }
  32
  33 void
  34 test7 (void)
  35 {
  36   typedef int foo;
  37   int vec[1] = {sizeof (foo)};
  38 }
  39
  40 void
  41 test8 (void)
  42 {
  43   typedef int foo __attribute__((used));
  44 }