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libstdc++: Do not use static_assert without message in C++11

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libstdc++-v3/ChangeLog:

	* include/bits/random.tcc (__representable_as_double)
	(__p1_representable_as_double): Add "" to static asserts.
This commit is contained in:
Jonathan Wakely 2021-05-20 21:12:15 +01:00
parent 6b42b5a8a2
commit 64ba45c76e
1 changed files with 4 additions and 4 deletions
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8
libstdc++-v3/include/bits/random.tcc
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@ -811,8 +811,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr bool
__representable_as_double(_Tp __x) noexcept
{
static_assert(numeric_limits<_Tp>::is_integer);
static_assert(!numeric_limits<_Tp>::is_signed);
static_assert(numeric_limits<_Tp>::is_integer, "");
static_assert(!numeric_limits<_Tp>::is_signed, "");
// All integers <= 2^53 are representable.
return (__x <= (1ull << __DBL_MANT_DIG__))
// Between 2^53 and 2^54 only even numbers are representable.
@ -824,8 +824,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr bool
__p1_representable_as_double(_Tp __x) noexcept
{
static_assert(numeric_limits<_Tp>::is_integer);
static_assert(!numeric_limits<_Tp>::is_signed);
static_assert(numeric_limits<_Tp>::is_integer, "");
static_assert(!numeric_limits<_Tp>::is_signed, "");
return numeric_limits<_Tp>::digits < __DBL_MANT_DIG__
|| (bool(__x + 1u) // return false if x+1 wraps around to zero
&& __detail::__representable_as_double(__x + 1u));