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authorMarek Polacek <polacek@redhat.com>2015-06-08 15:16:12 +0000
committerMarek Polacek <mpolacek@gcc.gnu.org>2015-06-08 15:16:12 +0000
commita1661b90dcbaed222e647bda75540e8a87f250ed (patch)
treefe37332799f04ee9e13b2ad6fdc2167b0d47d1a8 /gcc/c-family
parentad3e2ba07405b81ed2c4729f63040ce2463c8108 (diff)
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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 'gcc/c-family')
-rw-r--r--gcc/c-family/ChangeLog5
-rw-r--r--gcc/c-family/c-format.c4
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 6de6af5..17816a3 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-08 Marek Polacek <polacek@redhat.com>
+
+ PR c/66415
+ * c-format.c (location_from_offset): Return LOC if LINE is null.
+
2015-06-05 Aldy Hernandez <aldyh@redhat.com>
* c-common.h (c_parse_final_cleanups): New prototype.
diff --git a/gcc/c-family/c-format.c b/gcc/c-family/c-format.c
index 719b3a9..564e47b 100644
--- a/gcc/c-family/c-format.c
+++ b/gcc/c-family/c-format.c
@@ -138,9 +138,11 @@ location_from_offset (location_t loc, int offset)
expanded_location s = expand_location_to_spelling_point (loc);
int line_width;
const char *line = location_get_source_line (s, &line_width);
+ if (line == NULL)
+ return loc;
line += s.column - 1 ;
line_width -= s.column - 1;
- unsigned int column =
+ unsigned int column =
location_column_from_byte_offset (line, line_width, (unsigned) offset);
return linemap_position_for_loc_and_offset (line_table, loc, column);