gcc/testsuite/obj-c++.dg/method-11.mm

   1 /* Check if class references (generated for the NeXT runtime) are appropriately
   2    folded.  This test is safe to run on all targets.  */
   3 /* Author: Ziemowit Laski <zlaski@apple.com>.  */
   4
   5 /* { dg-do compile } */
   6 /* { dg-skip-if "" { *-*-* } { "-fgnu-runtime" } { "" } } */
   7
   8 #include "../objc-obj-c++-shared/Object1.h"
   9
  10 typedef Object ObjectTypedef1;
  11 typedef ObjectTypedef1 ObjectTypedef2;
  12 @compatibility_alias ObjectAlias1 ObjectTypedef2;
  13 @compatibility_alias ObjectAlias2 ObjectAlias1;
  14 typedef ObjectAlias2 ObjectTypedef3;
  15
  16 void foo(void) {
  17   id obj = [Object new];
  18   obj = [ObjectTypedef1 new];
  19   obj = [ObjectTypedef2 new];
  20   obj = [ObjectTypedef3 new];
  21   obj = [ObjectAlias1 new];
  22   obj = [ObjectAlias2 new];
  23 }
  24
  25 /* { dg-final { scan-assembler "_OBJC_CLASS_REFERENCES_0" } } */
  26 /* { dg-final { scan-assembler-not "_OBJC_CLASS_REFERENCES_1" } } */