gcc/testsuite/objc.dg/method-17.m

   1 /* Test for spurious "may or may not return a value" warnings.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wreturn-type -Wextra" } */
   5
   6 #include <objc/Object.h>
   7
   8 @interface Foo: Object
   9 - (id) meth1;
  10 - (void) meth2;
  11 @end
  12
  13 extern int bar;
  14
  15 @implementation Foo
  16 - (id) meth1 {
  17   if (bar)
  18     return [Object new];
  19   return; /* { dg-warning "'return' with no value, in function returning non-void" } */
  20 }
  21 - (void) meth2 {
  22   if (!bar)
  23     return;
  24   bar = 0;
  25 } /* { dg-bogus "'return' with no value, in function returning non-void" } */
  26 @end