[GNATS 25315] __builtin_sinf used as constexpr in gcc ccmath header

[jhsedg]

Customer bug ID

ccmath_abs.test.C

Description

​eccp -D__STRICT_ANSI__ --timing --gnu_version=110100 -w --no_inlining --no_wrap_diagnostics --display_error --erro
​r_limit 1 -DBOOST_ALL_NO_LIB=1 -DBOOST_BEAST_ALLOW_DEPRECATED -DBOOST_BEAST_SEPARATE_COMPILATION -DBOOST_TEST_NO_AU
​TO_LINK=1 -DBOOST_UBLAS_UNSUPPORTED_COMPILER=0 -I.. -I../libs/math/include_private -I../libs/math/test -c -o ../bin.
​v2/libs/math/test/ccmath_abs_test.test/gcc-11/debug/link-static/threading-multi/visibility-hidden/ccmath_abs_test.o
​../libs/math/test/ccmath_abs_test.cpp --c++17 -D__GXX_EXPERIMENTAL_CXX0X__=1 -tused
​"../libs/math/test/ccmath_abs_test.cpp", line 35: error #28: expression must have a constant value
​ static_assert(std::sin(T(0)) == 0);
​ ^
​"/mds/gnu/build/gcc-11.1.0/lib/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0/cmath", line 426: note
​#2703-D: cannot call non-constexpr function "__builtin_sinf" (declared implicitly)
​ { return __builtin_sinf(__x); }
​ ^
​ detected during instantiation of "void gpp_test() [with T=float]" at line 95

Notes

​2024-12-17, ellen.
​Boost 1.87.0 had a major update to the Math library and this test no longer exists.