https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89383
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> --- Author: marxin Date: Mon Mar 11 11:18:22 2019 New Revision: 269577 URL: https://gcc.gnu.org/viewcvs?rev=269577&root=gcc&view=rev Log: Backport r268981 2019-03-11 Martin Liska <mli...@suse.cz> Backport from mainline 2019-02-18 Martin Liska <mli...@suse.cz> PR c++/89383 * line-map.c (linemap_line_start): Use 1UL in order to not overflow. Modified: branches/gcc-7-branch/libcpp/ChangeLog branches/gcc-7-branch/libcpp/line-map.c