Changed in glibc 2.17 (precise had 2.15): https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=4ba74a357376c8f8bf49487f96ae71cf2460c3f3
Changed in glibc 2.17 (precise had 2.15): https:/ /sourceware. org/git/ ?p=glibc. git;a=commitdif f;h=4ba74a35737 6c8f8bf49487f96 ae71cf2460c3f3