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Avoid segfault in overlay_arrows_changed_p

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* src/xdisp.c (overlay_arrows_changed_p): Fix recent change
to avoid a segfault.
This commit is contained in:
Eli Zaretskii 2017-02-26 19:52:22 +02:00
parent 6b6cc56e72
commit d8899b9d1b
1 changed files with 4 additions and 2 deletions
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6
src/xdisp.c
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@ -13362,8 +13362,10 @@ overlay_arrows_changed_p (bool set_redisplay)
|| ! (pstr = overlay_arrow_string_or_property (var),
EQ (pstr, Fget (var, Qlast_arrow_string))))
{
if (set_redisplay)
bset_redisplay (XMARKER (val)->buffer);
struct buffer *buf = XMARKER (val)->buffer;
if (set_redisplay && buf)
bset_redisplay (buf);
else
return true;
}