generic-library/cxx
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Constrain launch ~ operator to defined bits.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185452 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2013-07-02 18:01:41 +00:00
parent 725ae713f2
commit 6a683bfb5f
2 changed files with 2 additions and 2 deletions
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2
include/future
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@ -443,7 +443,7 @@ _LIBCPP_CONSTEXPR
launch launch
operator~(launch __x) operator~(launch __x)
{ {
return static_cast<launch>(~static_cast<__launch_underlying_type>(__x)); return static_cast<launch>(~static_cast<__launch_underlying_type>(__x) & 3);
} }
inline _LIBCPP_INLINE_VISIBILITY inline _LIBCPP_INLINE_VISIBILITY

2
test/thread/futures/futures.overview/launch.pass.cpp
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@ -28,7 +28,7 @@ int main()
static_assert(std::launch::any == (std::launch::async | std::launch::deferred), ""); static_assert(std::launch::any == (std::launch::async | std::launch::deferred), "");
static_assert(std::launch(0) == (std::launch::async & std::launch::deferred), ""); static_assert(std::launch(0) == (std::launch::async & std::launch::deferred), "");
static_assert(std::launch::any == (std::launch::async ^ std::launch::deferred), ""); static_assert(std::launch::any == (std::launch::async ^ std::launch::deferred), "");
static_assert(std::launch(~1) == ~std::launch::async, ""); static_assert(std::launch::deferred == ~std::launch::async, "");
std::launch x = std::launch::async; std::launch x = std::launch::async;
x &= std::launch::deferred; x &= std::launch::deferred;
assert(x == std::launch(0)); assert(x == std::launch(0));