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-rw-r--r--gcc/substring-locations.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/substring-locations.c b/gcc/substring-locations.c
index 8b41f2b..e2d8dd7 100644
--- a/gcc/substring-locations.c
+++ b/gcc/substring-locations.c
@@ -118,6 +118,8 @@ format_warning_va (const substring_loc &fmt_loc,
else
{
if (fmt_substring_range.m_start >= fmt_loc_range.m_start
+ && fmt_substring_range.m_start <= fmt_loc_range.m_finish
+ && fmt_substring_range.m_finish >= fmt_loc_range.m_start
&& fmt_substring_range.m_finish <= fmt_loc_range.m_finish)
/* Case 1. */
{