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patch 8.1.0098: segfault when pattern with \z() is very slow

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Problem:    Segfault when pattern with \z() is very slow.
Solution:   Check for NULL regprog.  Add "nfa_fail" to test_override() to be
            able to test this.  Fix that 'searchhl' resets called_emsg.
This commit is contained in:
Bram Moolenaar
2018-06-23 14:21:42 +02:00
parent 5efa0102de
commit bcf9442307
10 changed files with 45 additions and 8 deletions
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3
src/evalfunc.c
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@@ -13090,10 +13090,13 @@ f_test_override(typval_T *argvars, typval_T *rettv UNUSED)
save_starting = -1;
}
}
else if (STRCMP(name, (char_u *)"nfa_fail") == 0)
nfa_fail_for_testing = val;
else if (STRCMP(name, (char_u *)"ALL") == 0)
{
disable_char_avail_for_testing = FALSE;
disable_redraw_for_testing = FALSE;
nfa_fail_for_testing = FALSE;
if (save_starting >= 0)
{
starting = save_starting;