gcc/testsuite/gcc.dg/pack-test-2.c

   1 /* Tests for syntax checking of #pragma pack.
   2    Contributed by Mike Coleman <mcoleman2@kc.rr.com> */
   3
   4 /* { dg-do compile } */
   5
   6 #pragma pack(pop)               /* { dg-warning "without matching" } */
   7
   8 #pragma pack(push)
   9 #pragma pack(pop)               /* reset */
  10
  11 #pragma pack(push, foo, 1)
  12 #pragma pack(pop, foo, 1)       /* { dg-warning "malformed" } (/
  13 #pragma pack(pop)               /* reset */
  14
  15 #pragma pack(push, foo, 1)
  16 #pragma pack(pop, bar)          /* { dg-warning "without matching" } */
  17 #pragma pack(pop)               /* reset */
  18
  19 #pragma pack(push, foo, 1)
  20 #pragma pack(pop)
  21 #pragma pack(pop, foo)          /* { dg-warning "without matching" } */
  22
  23 #pragma pack(push, foo, 3)      /* { dg-warning "small power of two" } */
  24
  25 extern int blah;        /* prevent "ISO C forbids an empty translation unit" */