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| author | Marek Polacek <polacek@redhat.com> | 2015-06-08 15:16:12 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2015-06-08 15:16:12 +0000 |
| commit | a1661b90dcbaed222e647bda75540e8a87f250ed (patch) | |
| tree | fe37332799f04ee9e13b2ad6fdc2167b0d47d1a8 /libcpp/line-map.c | |
| parent | ad3e2ba07405b81ed2c4729f63040ce2463c8108 (diff) | |
| download | gcc-a1661b90dcbaed222e647bda75540e8a87f250ed.zip gcc-a1661b90dcbaed222e647bda75540e8a87f250ed.tar.gz gcc-a1661b90dcbaed222e647bda75540e8a87f250ed.tar.bz2 | |
re PR c/66415 (ice in location_column_from_byte_offset)
PR c/66415
* c-format.c (location_from_offset): Return LOC if LINE is null.
* line-map.c (linemap_position_for_loc_and_offset): Remove
linemap_assert_fails; reverse conditions.
* gcc.dg/cpp/pr66415-1.c: New test.
* gcc.dg/cpp/pr66415-2.c: New test.
From-SVN: r224236
Diffstat (limited to 'libcpp/line-map.c')
| -rw-r--r-- | libcpp/line-map.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libcpp/line-map.c b/libcpp/line-map.c index 972f66c..d58cad2 100644 --- a/libcpp/line-map.c +++ b/libcpp/line-map.c @@ -688,15 +688,17 @@ linemap_position_for_loc_and_offset (struct line_maps *set, /* We find the real location and shift it. */ loc = linemap_resolve_location (set, loc, LRK_SPELLING_LOCATION, &map); /* The new location (loc + offset) should be higher than the first - location encoded by MAP. */ - if (linemap_assert_fails (MAP_START_LOCATION (map) < loc + offset)) + location encoded by MAP. + FIXME: We used to linemap_assert_fails here and in the if below, + but that led to PR66415. So give up for now. */ + if ((MAP_START_LOCATION (map) >= loc + offset)) return loc; /* If MAP is not the last line map of its set, then the new location (loc + offset) should be less than the first location encoded by the next line map of the set. */ if (map != LINEMAPS_LAST_ORDINARY_MAP (set)) - if (linemap_assert_fails (loc + offset < MAP_START_LOCATION (&map[1]))) + if ((loc + offset >= MAP_START_LOCATION (&map[1]))) return loc; offset += SOURCE_COLUMN (map, loc); |