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patch 8.1.1591: on error garbage collection may free memory in use

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Problem:    On error garbage collection may free memory in use.
Solution:   Reset may_garbage_collect when evaluating expression mapping.
            Add tests. (Ozaki Kiichi, closes #4579)
This commit is contained in:
Bram Moolenaar
2019-06-25 06:28:02 +02:00
parent 6c6a603cd2
commit 7d491c4253
6 changed files with 82 additions and 4 deletions
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4
src/ex_cmds2.c
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@ -367,8 +367,8 @@ check_due_timer(void)
int save_vgetc_busy = vgetc_busy;
int save_did_emsg = did_emsg;
int save_called_emsg = called_emsg;
int save_must_redraw = must_redraw;
int save_trylevel = trylevel;
int save_must_redraw = must_redraw;
int save_trylevel = trylevel;
int save_did_throw = did_throw;
int save_ex_pressedreturn = get_pressedreturn();
int save_may_garbage_collect = may_garbage_collect;