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patch 8.1.1579: dict and list could be GC'ed while displaying error

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Problem:    Dict and list could be GC'ed while displaying error in a timer.
            (Yasuhiro Matsumoto)
Solution:   Block garbage collection when executing a timer.  Add
            test_garbagecollect_soon(). Add "no_wait_return" to
            test_override(). (closes #4571)
This commit is contained in:
Bram Moolenaar
2019-06-22 01:40:42 +02:00
parent dfc1455728
commit adc6714aac
5 changed files with 48 additions and 2 deletions
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4
src/dict.c
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@@ -28,7 +28,7 @@ dict_alloc(void)
{
dict_T *d;
d = ALLOC_ONE(dict_T);
d = ALLOC_CLEAR_ONE(dict_T);
if (d != NULL)
{
/* Add the dict to the list of dicts for garbage collection. */
@@ -811,7 +811,7 @@ dict_get_tv(char_u **arg, typval_T *rettv, int evaluate)
{
semsg(_("E723: Missing end of Dictionary '}': %s"), *arg);
failret:
if (evaluate)
if (d != NULL)
dict_free(d);
return FAIL;
}