Nathan Sidwell
9158f0ba97
https://gcc.gnu.org/ml/gcc-patches/2019-10/msg01080.html looking up a line map takes a non-constant line_maps object, which is confusing. This makes the caching fields mutable, so permits a constant object, as one might expect for a lookup. * include/line-map.h (struct maps_info_ordinary): Make cache mutable. (struct maps_info_macro): Likewise. (LINEMAPS_CACHE): Remove non-ref accessor. Constify ref accessor. (LINEMAPS_ORDINARY_CACHE, LINEMAPS_MACRO_CACHE): Likewise. (LINEMAPS_ORDINARY_MAP_AT, LINEMAPS_MACRO_MAP_AT): Use LINEMAPS_USED and LINEMAPS_MAP_AT. (linemap_lookup): Constify line_map arg. linemap.c (linemap_ordinary_map_lookup, linemap_macro_map_lookup): Constify line_map arg. From-SVN: r276994
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