diff options
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/CodeGen/attributes.c | 6 | ||||
| -rw-r--r-- | clang/test/SemaCXX/attr-weakref.cpp | 31 |
2 files changed, 37 insertions, 0 deletions
diff --git a/clang/test/CodeGen/attributes.c b/clang/test/CodeGen/attributes.c index 770ce766dfb..4fdf1a51762 100644 --- a/clang/test/CodeGen/attributes.c +++ b/clang/test/CodeGen/attributes.c @@ -30,6 +30,12 @@ int t12 __attribute__((section("SECT"))); void __t8() {} void t9() __attribute__((weak, alias("__t8"))); +static void t22(void) __attribute__((weakref("t8"))); +// CHECK: @t22 = alias weak void ()* @t8 + +static void t23(void) __attribute__((weakref, alias("t8"))); +// CHECK: @t23 = alias weak void ()* @t8 + // CHECK: declare extern_weak i32 @t15() int __attribute__((weak_import)) t15(void); int t17() { diff --git a/clang/test/SemaCXX/attr-weakref.cpp b/clang/test/SemaCXX/attr-weakref.cpp new file mode 100644 index 00000000000..5773acc1ab3 --- /dev/null +++ b/clang/test/SemaCXX/attr-weakref.cpp @@ -0,0 +1,31 @@ +// 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}} |
