https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66359
Tim Shen <timshen at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2015-06-01 CC| |timshen at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Tim Shen <timshen at gcc dot gnu.org> --- Thanks for reporting! gcc 5.1 works fine to me: ~ % /usr/bin/g++ --version g++ (GCC) 5.1.0 Copyright (C) 2015 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ~ % /usr/bin/g++ -DUSE_STD -std=c++11 b.cc && ./a.out Found it My current guess is this patch fixed the bug: https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=217461. I can do a backport when I have time.