forked from OSchip/llvm-project
[libcxx] [test] Replace non-Standard "atomic_flag f(false);" with Standard "atomic_flag f;"
Summary: Replace non-Standard "atomic_flag f(false);" with Standard "atomic_flag f;" in clear tests. Although the value of 'f' is unspecified it shouldn't matter because these tests always call `f.test_and_set()` without checking the result, so the initial state shouldn't matter. The test init03.pass.cpp is explicitly testing this non-Standard extension; It has been moved into the `test/libcxx` directory. Reviewers: mclow.lists, STL_MSFT Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D19758 llvm-svn: 268355
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@ -1689,7 +1689,7 @@ typedef struct atomic_flag
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#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
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_LIBCPP_INLINE_VISIBILITY
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atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {}
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atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {} // EXTENSION
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#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
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atomic_flag(const atomic_flag&) = delete;
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@ -19,7 +19,13 @@
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#include <cassert>
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int main()
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{
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{
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std::atomic_flag f(false);
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assert(f.test_and_set() == 0);
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}
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{
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std::atomic_flag f(true);
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assert(f.test_and_set() == 1);
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}
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}
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@ -22,13 +22,13 @@
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int main()
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{
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear(&f);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear(&f);
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assert(f.test_and_set() == 0);
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@ -22,37 +22,37 @@
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int main()
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{
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear_explicit(&f, std::memory_order_relaxed);
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assert(f.test_and_set() == 0);
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}
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear_explicit(&f, std::memory_order_release);
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assert(f.test_and_set() == 0);
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}
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear_explicit(&f, std::memory_order_seq_cst);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear_explicit(&f, std::memory_order_relaxed);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear_explicit(&f, std::memory_order_release);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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atomic_flag_clear_explicit(&f, std::memory_order_seq_cst);
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assert(f.test_and_set() == 0);
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@ -22,49 +22,49 @@
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int main()
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{
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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f.clear();
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assert(f.test_and_set() == 0);
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}
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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f.clear(std::memory_order_relaxed);
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assert(f.test_and_set() == 0);
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}
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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f.clear(std::memory_order_release);
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assert(f.test_and_set() == 0);
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}
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{
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std::atomic_flag f(false);
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std::atomic_flag f;
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f.test_and_set();
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f.clear(std::memory_order_seq_cst);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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f.clear();
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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f.clear(std::memory_order_relaxed);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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f.clear(std::memory_order_release);
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assert(f.test_and_set() == 0);
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}
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{
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volatile std::atomic_flag f(false);
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volatile std::atomic_flag f;
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f.test_and_set();
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f.clear(std::memory_order_seq_cst);
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assert(f.test_and_set() == 0);
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