https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85699
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Thu May 10 07:38:24 2018 New Revision: 260107 URL: https://gcc.gnu.org/viewcvs?rev=260107&root=gcc&view=rev Log: PR tree-optimization/85699 * gcc.dg/nextafter-1.c (NO_LONG_DOUBLE): Define if not defined. Use !NO_LONG_DOUBLE instead of __LDBL_MANT_DIG__ != 106. * gcc.dg/nextafter-2.c: Include stdlib.h. For glibc < 2.24 define NO_LONG_DOUBLE to 1 before including nextafter-1.c. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/nextafter-1.c trunk/gcc/testsuite/gcc.dg/nextafter-2.c