Author: dim
Date: Mon Nov 11 17:41:56 2019
New Revision: 354625
URL: https://svnweb.freebsd.org/changeset/base/354625
Log:
Merge commit 371ea70bb from llvm git (by Louis Dionne):
[libc++] Harden usage of static_assert against C++03
In C++03, we emulate static_assert with a macro, and we must
parenthesize multiple arguments.
llvm-svn: 373328
This is a follow-up to r354460, which causes errors for pre-C++11
programs using <cmath>, similar to:
/usr/include/c++/v1/cmath:622:68: error: too many arguments provided to
function-like macro invocation
Reported by: antoine
MFC after: immediately (because of ports breakage)
Modified:
head/contrib/libc++/include/cmath
Modified: head/contrib/libc++/include/cmath
==============================================================================
--- head/contrib/libc++/include/cmath Mon Nov 11 17:41:52 2019
(r354624)
+++ head/contrib/libc++/include/cmath Mon Nov 11 17:41:56 2019
(r354625)
@@ -644,8 +644,8 @@ _LIBCPP_CONSTEXPR _IntT __max_representable_int_for_fl
static_assert(is_floating_point<_FloatT>::value, "must be a floating point
type");
static_assert(is_integral<_IntT>::value, "must be an integral type");
static_assert(numeric_limits<_FloatT>::radix == 2, "FloatT has incorrect
radix");
- static_assert(_IsSame<_FloatT, float>::value || _IsSame<_FloatT,
double>::value
- || _IsSame<_FloatT,long double>::value, "unsupported floating
point type");
+ static_assert((_IsSame<_FloatT, float>::value || _IsSame<_FloatT,
double>::value
+ || _IsSame<_FloatT,long double>::value), "unsupported
floating point type");
return _FloatBigger ? numeric_limits<_IntT>::max() :
(numeric_limits<_IntT>::max() >> _Bits << _Bits);
}
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