Use 1UL constant in order to not overflow (PR c++/89383).

2019-02-18  Martin Liska  <mliska@suse.cz>

	PR c++/89383
	* line-map.c (linemap_line_start): Use 1UL in order
	to not overflow.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@268981 138bc75d-0d04-0410-961f-82ee72b054a4
2 files changed