PR preprocessor/60436
	* line-map.c (linemap_line_start): If highest is above 0x60000000
	and we are still tracking columns or highest is above 0x70000000,
	force add_map.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218042 138bc75d-0d04-0410-961f-82ee72b054a4