generic-library/cxx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix uninitialized values and bad enum conversions found by UBSAN.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@237738 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2015-05-19 23:03:57 +00:00
parent 5486fac53c
commit d539803d4b
4 changed files with 17 additions and 17 deletions

2
test/libcxx/type_traits/convert_to_integral.pass.cpp

@ -57,7 +57,7 @@ void check_enum_types()
} }
enum enum1 {}; enum enum1 { zero = 0, one = 1 };
enum enum2 { enum enum2 {
value = std::numeric_limits<unsigned long>::max() value = std::numeric_limits<unsigned long>::max()
}; };

4
test/std/atomics/atomics.flag/atomic_flag_clear.pass.cpp

@ -22,13 +22,13 @@
int main() int main()
{ {
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear(&f); atomic_flag_clear(&f);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear(&f); atomic_flag_clear(&f);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);

12
test/std/atomics/atomics.flag/atomic_flag_clear_explicit.pass.cpp

@ -22,37 +22,37 @@
int main() int main()
{ {
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear_explicit(&f, std::memory_order_relaxed); atomic_flag_clear_explicit(&f, std::memory_order_relaxed);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear_explicit(&f, std::memory_order_release); atomic_flag_clear_explicit(&f, std::memory_order_release);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear_explicit(&f, std::memory_order_seq_cst); atomic_flag_clear_explicit(&f, std::memory_order_seq_cst);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear_explicit(&f, std::memory_order_relaxed); atomic_flag_clear_explicit(&f, std::memory_order_relaxed);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear_explicit(&f, std::memory_order_release); atomic_flag_clear_explicit(&f, std::memory_order_release);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
atomic_flag_clear_explicit(&f, std::memory_order_seq_cst); atomic_flag_clear_explicit(&f, std::memory_order_seq_cst);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);

16
test/std/atomics/atomics.flag/clear.pass.cpp

@ -22,49 +22,49 @@
int main() int main()
{ {
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(); f.clear();
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(std::memory_order_relaxed); f.clear(std::memory_order_relaxed);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(std::memory_order_release); f.clear(std::memory_order_release);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
std::atomic_flag f; std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(std::memory_order_seq_cst); f.clear(std::memory_order_seq_cst);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(); f.clear();
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(std::memory_order_relaxed); f.clear(std::memory_order_relaxed);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(std::memory_order_release); f.clear(std::memory_order_release);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);
} }
{ {
volatile std::atomic_flag f; volatile std::atomic_flag f = ATOMIC_FLAG_INIT;
f.test_and_set(); f.test_and_set();
f.clear(std::memory_order_seq_cst); f.clear(std::memory_order_seq_cst);
assert(f.test_and_set() == 0); assert(f.test_and_set() == 0);