updated for version 7.3.1258
Problem: Using submatch() may crash Vim. (Ingo Karkat)
Solution: Restore the number of subexpressions used.
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 8146d9d..bd3818d 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -5198,6 +5198,8 @@
|| t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
|| t->state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
{
+ int in_use = m->norm.in_use;
+
/* Copy submatch info for the recursive call, so that
* \1 can be matched. */
copy_sub_off(&m->norm, &t->subs.norm);
@@ -5231,6 +5233,7 @@
add_here = TRUE;
add_state = t->state->out1->out;
}
+ m->norm.in_use = in_use;
}
else
{