https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68231
--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Note that bootstrap fails also with ../../work/gcc/cp/init.c: In function 'void warn_placement_new_too_small(tree, tree, tree, tree)': <dominiq__> ../../work/gcc/cp/init.c:2454:17: error: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'long long unsigned int' [-Werror=format=] bytes_avail); ^ at r229827, see the mess at https://gcc.gnu.org/ml/gcc-regression/2015-11/.