Comment 9 for bug 1310866

GCC was updated from 4.8.2-19ubuntu1 to 4.8.4-2ubuntu1~14.04, which seems like the only relevant recent change.

I don't see anything relevant in the changelog though
http://changelogs.ubuntu.com/changelogs/pool/main/g/gcc-4.8/gcc-4.8_4.8.4-2ubuntu1~14.04/changelog