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patch 8.2.4255: theoretical computation overflow

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Problem:    Theoretical computation overflow.
Solution:   Perform multiplication in a wider type. (closes #9657)
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2022-01-29 15:19:23 +00:00
committed by Bram Moolenaar
parent f12b7815f6
commit d5cec1f1f0
11 changed files with 28 additions and 23 deletions
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2
src/evalfunc.c
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@@ -7327,7 +7327,7 @@ max_min(typval_T *argvars, typval_T *rettv, int domax)
if ((l->lv_u.nonmat.lv_stride > 0) ^ domax)
n = l->lv_u.nonmat.lv_start;
else
n = l->lv_u.nonmat.lv_start + (l->lv_len - 1)
n = l->lv_u.nonmat.lv_start + ((varnumber_T)l->lv_len - 1)
* l->lv_u.nonmat.lv_stride;
}
else