https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63691
--- Comment #6 from Aaro Koskinen <aaro.koskinen at iki dot fi> --- (In reply to Andrew Pinski from comment #5) > See https://sourceware.org/ml/libc-alpha/2013-11/msg00291.html . This patch is already included in GLIBC 2.20...