gcc/testsuite/gcc.dg/tm/attrs-1.c

   1 /* Test various erroneous or ignored uses of C23 attribute syntax.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fgnu-tm" } */
   4
   5 void
   6 f1 (void)
   7 {
   8   __transaction_atomic [[outer()]] {} /* { dg-error "does not take any arguments" } */
   9 }
  10
  11 void
  12 f2 (void)
  13 {
  14   __transaction_atomic [[not_a_tm_attribute]] {} /* { dg-warning "attribute directive ignored" } */
  15 }
  16
  17 void
  18 f3 (void)
  19 {
  20   __transaction_atomic [[unknown_attribute(args of *unknown* attributes need only (be {balanced[(({{[[]]}}))]}!), as per standard C)]] {} /* { dg-warning "attribute directive ignored" } */
  21 }
  22
  23 void
  24 f4 (void)
  25 {
  26   __transaction_atomic [[gnu::const]] {} /* { dg-warning "attribute directive ignored" } */
  27 }
  28
  29 void
  30 f5 (void)
  31 {
  32   __transaction_atomic [[bad_namespace::outer]] {} /* { dg-warning "attribute directive ignored" } */
  33 }
  34
  35 void
  36 f6 (void)
  37 {
  38   __transaction_atomic [[outer, outer]] {} /* { dg-warning "attribute duplicated" } */
  39 }