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authordmalcolm <dmalcolm@138bc75d-0d04-0410-961f-82ee72b054a4>2016-01-16 04:38:19 +0000
committerdmalcolm <dmalcolm@138bc75d-0d04-0410-961f-82ee72b054a4>2016-01-16 04:38:19 +0000
commit12634056143af6f7826389344e4b5ee4c1dddbd5 (patch)
tree45f7f5e67a67ee9f4da14fefddd832d74c8c746c /gcc/diagnostic-show-locus.c
parent90153ae7a49d973b19f81271ef19404344536e5c (diff)
downloadgcc-12634056143af6f7826389344e4b5ee4c1dddbd5.tar.gz
PR diagnostic/68899: fix read-beyond-buffer when printing very wide source lines
gcc/ChangeLog: PR diagnostic/68899 * diagnostic-show-locus.c (layout::print_source_line): Move x offset of line until after call to get_line_width_without_trailing_whitespace. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232465 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/diagnostic-show-locus.c')
-rw-r--r--gcc/diagnostic-show-locus.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/diagnostic-show-locus.c b/gcc/diagnostic-show-locus.c
index 3ef00525ed8..e32325486af 100644
--- a/gcc/diagnostic-show-locus.c
+++ b/gcc/diagnostic-show-locus.c
@@ -524,14 +524,13 @@ layout::print_source_line (int row, line_bounds *lbounds_out)
if (!line)
return false;
- line += m_x_offset;
-
m_colorizer.set_normal_text ();
/* We will stop printing the source line at any trailing
whitespace. */
line_width = get_line_width_without_trailing_whitespace (line,
line_width);
+ line += m_x_offset;
pp_space (m_pp);
int first_non_ws = INT_MAX;