gcc/testsuite/obj-c++.dg/try-catch-12.mm

   1 /* Ensure that typeof()-typed variables inside the @try { } block that
   2    "inherit" their EH-volatileness from other variables in the stack frame
   3    do not trigger "discards qualifiers from target pointer type" warnings.  */
   4
   5 /* { dg-options "-fobjc-exceptions" } */
   6 /* { dg-do compile } */
   7
   8 typedef volatile int IOSharedLockData;
   9
  10 @interface TestMyTests
  11 - (void) testSpoon;
  12 @end
  13
  14 extern void some_func (int *);
  15
  16 @implementation TestMyTests
  17 - (void) testSpoon {
  18   int i = 5;
  19
  20   do {
  21     @try {
  22       typeof(i) j = 6;
  23       some_func (&j);
  24     }
  25     @catch (id exc) {
  26       @throw;
  27     }
  28   } while(0);
  29
  30   do {
  31     @try {
  32       typeof(i) j = 7;
  33       some_func (&j);
  34     }
  35     @catch (id exc) {
  36       @throw;
  37     }
  38   } while(0);
  39
  40   do {
  41     @try {
  42       typeof(i) j = 8;
  43       some_func (&j);
  44     }
  45     @catch (id exc) {
  46       @throw;
  47     }
  48   } while(0);
  49
  50 }
  51 @end