diff options
Diffstat (limited to 'test/Sema/alignas.c')
| -rw-r--r-- | test/Sema/alignas.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/test/Sema/alignas.c b/test/Sema/alignas.c index d9a0164..020eff6 100644 --- a/test/Sema/alignas.c +++ b/test/Sema/alignas.c @@ -1,20 +1,29 @@ // RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -Dalignof=__alignof %s -// RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -Dalignof=_Alignof %s +// RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -Dalignof=_Alignof -DUSING_C11_SYNTAX %s _Alignas(3) int align_illegal; //expected-error {{requested alignment is not a power of 2}} _Alignas(int) char align_big; -_Alignas(1) int align_small; // FIXME: this should be rejected +_Alignas(1) int align_small; // expected-error {{requested alignment is less than minimum}} _Alignas(1) unsigned _Alignas(8) int _Alignas(1) align_multiple; struct align_member { _Alignas(8) int member; + _Alignas(1) char bitfield : 1; // expected-error {{'_Alignas' attribute cannot be applied to a bit-field}} }; -typedef _Alignas(8) char align_typedef; // FIXME: this should be rejected +typedef _Alignas(8) char align_typedef; // expected-error {{'_Alignas' attribute only applies to variables and fields}} +void f(_Alignas(1) char c) { // expected-error {{'_Alignas' attribute cannot be applied to a function parameter}} + _Alignas(1) register char k; // expected-error {{'_Alignas' attribute cannot be applied to a variable with 'register' storage class}} +} + +#ifdef USING_C11_SYNTAX +// expected-warning@+4{{'_Alignof' applied to an expression is a GNU extension}} +// expected-warning@+4{{'_Alignof' applied to an expression is a GNU extension}} +// expected-warning@+4{{'_Alignof' applied to an expression is a GNU extension}} +#endif _Static_assert(alignof(align_big) == alignof(int), "k's alignment is wrong"); _Static_assert(alignof(align_small) == 1, "j's alignment is wrong"); _Static_assert(alignof(align_multiple) == 8, "l's alignment is wrong"); _Static_assert(alignof(struct align_member) == 8, "quuux's alignment is wrong"); _Static_assert(sizeof(struct align_member) == 8, "quuux's size is wrong"); -_Static_assert(alignof(align_typedef) == 8, "typedef's alignment is wrong"); |
