https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65733
--- Comment #11 from Jack Howarth <howarth.at.gcc at gmail dot com> --- This issue appears to have been introduced by... http://llvm.org/viewvc/llvm-project?view=revision&revision=211272 and seems to have been previously discussed... http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141208/247970.html