| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| // GCC will accept anything as the argument of weakref. Should we |
| // check for an existing decl? |
| static int a1() __attribute__((weakref ("foo"))); |
| static int a2() __attribute__((weakref, alias ("foo"))); |
| |
| static int a3 __attribute__((weakref ("foo"))); |
| static int a4 __attribute__((weakref, alias ("foo"))); |
| |
| // gcc rejects, clang accepts |
| static int a5 __attribute__((alias ("foo"), weakref)); |
| |
| // this is pointless, but accepted by gcc. We reject it. |
| static int a6 __attribute__((weakref)); //expected-error {{weakref declaration of 'a6' must also have an alias attribute}} |
| |
| // gcc warns, clang rejects |
| void f(void) { |
| static int a __attribute__((weakref ("v2"))); // expected-error {{declaration of 'a' must be in a global context}} |
| } |
| |
| // both gcc and clang reject |
| class c { |
| static int a __attribute__((weakref ("v2"))); // expected-error {{declaration of 'a' must be in a global context}} |
| static int b() __attribute__((weakref ("f3"))); // expected-error {{declaration of 'b' must be in a global context}} |
| }; |
| int a7() __attribute__((weakref ("f1"))); // expected-error {{declaration of 'a7' must be static}} |
| int a8 __attribute__((weakref ("v1"))); // expected-error {{declaration of 'a8' must be static}} |
| |
| // gcc accepts this |
| int a9 __attribute__((weakref)); // expected-error {{declaration of 'a9' must be static}} |