The declarations of _DINFINITY, _SINFINITY and _SQNAN need to be constant
expressions.

2022-02-27  John David Anglin  <danglin@gcc.gnu.org>

fixincludes/ChangeLog:
	* inclhack.def (hpux_math_constexpr): New hack.
	* fixincl.x: Regenerate.
	* tests/base/math.h: Update.