Commit 38489e5cfd83f49b21b7d3d27b1cb405c8df28b4
2023-04-18T13:24:42
ilogbl: Work around a Cygwin 3.4.6 bug. * m4/ilogbl.m4 (gl_FUNC_ILOGBL_WORKS): Also test the value of ilogbl(NaN). * doc/posix-functions/ilogbl.texi: Mention the new Cygwin bug.