Quuxplusone added a comment.
If libc++ is using these macros, then I think it would be useful to include
(the removal of) those uses in this PR.
../libcxx/include/atomic:#define ATOMIC_VAR_INIT(value) see below
../libcxx/include/atomic:#define ATOMIC_FLAG_INIT see below
../libcxx/include/atomic:#define ATOMIC_FLAG_INIT {false}
../libcxx/include/atomic:#define ATOMIC_VAR_INIT(__v) {__v}
../libcxx/src/barrier.cpp: __atomic_base<__barrier_phase_t>
__phase = ATOMIC_VAR_INIT(0);
../libcxx/src/experimental/memory_resource.cpp:
ATOMIC_VAR_INIT(&res_init.resources.new_delete_res);
../libcxx/src/ios.cpp:atomic<int> ios_base::__xindex_ = ATOMIC_VAR_INIT(0);
../libcxx/test/libcxx/atomics/atomics.flag/init_bool.pass.cpp:std::atomic_flag
global = ATOMIC_FLAG_INIT;
../libcxx/test/std/atomics/atomics.flag/init.pass.cpp:// atomic_flag() =
ATOMIC_FLAG_INIT;
../libcxx/test/std/atomics/atomics.flag/init.pass.cpp: std::atomic_flag f
= ATOMIC_FLAG_INIT;
../libcxx/test/std/atomics/atomics.types.operations/atomics.types.operations.req/atomic_var_init.pass.cpp://
#define ATOMIC_VAR_INIT(value)
../libcxx/test/std/atomics/atomics.types.operations/atomics.types.operations.req/atomic_var_init.pass.cpp:
std::atomic<int> v = ATOMIC_VAR_INIT(5);
../libcxx/test/std/atomics/atomics.types.operations/atomics.types.operations.req/ctor.pass.cpp:
constexpr Atomic a = ATOMIC_VAR_INIT(t);
../libcxx/test/std/thread/futures/futures.async/async.pass.cpp:std::atomic_bool
invoked = ATOMIC_VAR_INIT(false);
================
Comment at: clang/test/Headers/stdatomic-deprecations.c:11
+void func(void) {
+ (void)ATOMIC_VAR_INIT(12); // expected-warning {{macro 'ATOMIC_VAR_INIT' has
been marked as deprecated}} \
+ // [email protected]:* {{macro marked
'deprecated' here}}
----------------
This doesn't look like correct use of the `ATOMIC_VAR_INIT` macro. It should be
initializing an atomic, yeah?
(Note for example that if you did `(void)ATOMIC_FLAG_INIT(12)`, even with
libc++'s implementation, it would just fail with a syntax error, because
`(void){12}` is not a valid expression AFAIK.)
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https://reviews.llvm.org/D112221/new/
https://reviews.llvm.org/D112221
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