From 1dba27cd49427a935d6f74b5cb1c4cf497438261 Mon Sep 17 00:00:00 2001 From: Richard Smith Date: Tue, 29 Jan 2013 09:02:09 +0000 Subject: Implement C++11 [dcl.align]p1 and C11 6.7.5/2 rules for alignas and _Alignas. llvm-svn: 173779 --- clang/test/Sema/alignas.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'clang/test/Sema/alignas.c') diff --git a/clang/test/Sema/alignas.c b/clang/test/Sema/alignas.c index d9a0164010f..dbc637bf87c 100644 --- a/clang/test/Sema/alignas.c +++ b/clang/test/Sema/alignas.c @@ -8,13 +8,17 @@ _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, functions and tag types}} + +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}} +} _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"); -- cgit v1.2.3